Calculadora

Operaciones


package javaapplication;

import javax.swing.JOptionPane;

public class Operaciones {
static double resultado;
static double suma;
public Operaciones(){
resultado = 0;
}

public static double seno(double x){
resultado = Math.sin(x);
return resultado;
}

public static double coseno(double x){
resultado = Math.cos(x);
return resultado;
}

public static double tangente(double x){
resultado = Math.tan(x);
return resultado;
}

public static double raiz(double x){
if(x>=0){
resultado = Math.sqrt(x);
}else{
System.out.println("Solo valores postivos");
resultado = 0;
}
return resultado;

}
public static double logaritmo (double x){
resultado = Math.log(x);
return resultado;
}

public static double suma (double x){
resultado=resultado+x;
return resultado;
}

public static double resta (double x){
resultado = resultado-x;
return resultado;
}

public static double multiplicacion (double x){
resultado = resultado*x;
return resultado;
}

public static double division (double x){
resultado = resultado/x;
return resultado;
}
public static double exponente (double x){
resultado = Math.pow(resultado,x);
return resultado;
}

public static double operadores(double x){
resultado = x;
return resultado;
}
public static double pi(){
resultado = Math.PI;
return resultado;
}
public static double base_exp(double x){
resultado = Math.exp(x);
return resultado;
}
public static double abs(double x){
resultado = Math.abs(x);
return resultado;
}
public static double arcocoseno(double x){
resultado = Math.acos(x);
return resultado;
}
public static double arcoseno(double x){
resultado = Math.asin(x);
return resultado;
}
public static double arcotangente(double x){
resultado = Math.atan(x);
return resultado;
}
public static double cambio_de_signo(double x){
resultado = x*(-1);
return resultado;
}
}
......................................................................
......................................................................

Calculadora

* Calculadora.java
*
* Created on 14-dic-2009, 0:57:18
*/

package javaapplication;

/**
*
* @author Administrador
*/
public class Calculadora extends javax.swing.JApplet {


/** Initializes the applet Calculadora */
public void init() {
try {
java.awt.EventQueue.invokeAndWait(new Runnable() {
public void run() {
initComponents();
}
});
} catch (Exception ex) {
ex.printStackTrace();
}
}

/** This method is called from within the init() method to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
//
private void initComponents() {

buttonGroup1 = new javax.swing.ButtonGroup();
jPanel1 = new javax.swing.JPanel();
jLabel1 = new javax.swing.JLabel();
jTextField1 = new javax.swing.JTextField();
jButton1 = new javax.swing.JButton();
jButton2 = new javax.swing.JButton();
jButton3 = new javax.swing.JButton();
jButton4 = new javax.swing.JButton();
jButton5 = new javax.swing.JButton();
jButton6 = new javax.swing.JButton();
jButton7 = new javax.swing.JButton();
jButton8 = new javax.swing.JButton();
jButton9 = new javax.swing.JButton();
jButton10 = new javax.swing.JButton();
jButton11 = new javax.swing.JButton();
jButton12 = new javax.swing.JButton();
jButton13 = new javax.swing.JButton();
jButton14 = new javax.swing.JButton();
jButton15 = new javax.swing.JButton();
jButton16 = new javax.swing.JButton();
jButton17 = new javax.swing.JButton();
jButton18 = new javax.swing.JButton();
jButton19 = new javax.swing.JButton();
jButton20 = new javax.swing.JButton();
jButton21 = new javax.swing.JButton();
jButton22 = new javax.swing.JButton();
jButton23 = new javax.swing.JButton();
jButton24 = new javax.swing.JButton();
jButton25 = new javax.swing.JButton();
jButton26 = new javax.swing.JButton();
jButton27 = new javax.swing.JButton();
jButton28 = new javax.swing.JButton();
jButton29 = new javax.swing.JButton();
jRadioButton1 = new javax.swing.JRadioButton();
jRadioButton2 = new javax.swing.JRadioButton();
jButton30 = new javax.swing.JButton();

jLabel1.setFont(new java.awt.Font("Arial", 0, 16)); // NOI18N
jLabel1.setText("Calculadora");

jTextField1.setEditable(false);
jTextField1.setHorizontalAlignment(javax.swing.JTextField.RIGHT);
jTextField1.setToolTipText("");
jTextField1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jTextField1ActionPerformed(evt);
}
});

jButton1.setText("Seno");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});

jButton2.setText("Coseno");
jButton2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton2ActionPerformed(evt);
}
});

jButton3.setText("Tangente");
jButton3.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton3ActionPerformed(evt);
}
});

jButton4.setText("Potencia");
jButton4.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton4ActionPerformed(evt);
}
});

jButton5.setText("Logaritmo");
jButton5.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton5ActionPerformed(evt);
}
});

jButton6.setText("+");
jButton6.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton6ActionPerformed(evt);
}
});

jButton7.setText("-");
jButton7.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton7ActionPerformed(evt);
}
});

jButton8.setText("*");
jButton8.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton8ActionPerformed(evt);
}
});

jButton9.setText("/");
jButton9.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton9ActionPerformed(evt);
}
});

jButton10.setText("Raíz");
jButton10.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton10ActionPerformed(evt);
}
});

jButton11.setText("1");
jButton11.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton11ActionPerformed(evt);
}
});

jButton12.setText("0");
jButton12.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton12ActionPerformed(evt);
}
});

jButton13.setText("4");
jButton13.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton13ActionPerformed(evt);
}
});

jButton14.setText("7");
jButton14.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton14ActionPerformed(evt);
}
});

jButton15.setText("2");
jButton15.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton15ActionPerformed(evt);
}
});

jButton16.setText("5");
jButton16.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton16ActionPerformed(evt);
}
});

jButton17.setText("8");
jButton17.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton17ActionPerformed(evt);
}
});

jButton18.setText("9");
jButton18.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton18ActionPerformed(evt);
}
});

jButton19.setText("6");
jButton19.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton19ActionPerformed(evt);
}
});

jButton20.setText("3");
jButton20.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton20ActionPerformed(evt);
}
});

jButton21.setText(".");
jButton21.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton21ActionPerformed(evt);
}
});

jButton22.setText("=");
jButton22.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton22ActionPerformed(evt);
}
});

jButton23.setText("BORRAR");
jButton23.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton23ActionPerformed(evt);
}
});

jButton24.setText("PI");
jButton24.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton24ActionPerformed(evt);
}
});

jButton25.setText("exp");
jButton25.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton25ActionPerformed(evt);
}
});

jButton26.setText("absoluto");
jButton26.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton26ActionPerformed(evt);
}
});

jButton27.setText("arcocoseno");
jButton27.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton27ActionPerformed(evt);
}
});

jButton28.setText("arcoseno");
jButton28.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton28ActionPerformed(evt);
}
});

jButton29.setText("arcotangente");
jButton29.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton29ActionPerformed(evt);
}
});

jRadioButton1.setSelected(true);
jRadioButton1.setText("Grados");
jRadioButton1.setAutoscrolls(true);
jRadioButton1.setRequestFocusEnabled(false);
jRadioButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jRadioButton1ActionPerformed(evt);
}
});

jRadioButton2.setText("Radianes");
jRadioButton2.setAutoscrolls(true);
jRadioButton2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jRadioButton2ActionPerformed(evt);
}
});

jButton30.setText("+/-");
jButton30.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton30ActionPerformed(evt);
}
});

javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
jPanel1.setLayout(jPanel1Layout);
jPanel1Layout.setHorizontalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup()
.addContainerGap()
.addComponent(jTextField1, javax.swing.GroupLayout.DEFAULT_SIZE, 564, Short.MAX_VALUE)
.addContainerGap())
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(218, 218, 218)
.addComponent(jLabel1)
.addContainerGap(282, Short.MAX_VALUE))
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(46, 46, 46)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(jButton28, javax.swing.GroupLayout.DEFAULT_SIZE, 115, Short.MAX_VALUE)
.addComponent(jButton27, javax.swing.GroupLayout.DEFAULT_SIZE, 115, Short.MAX_VALUE)
.addComponent(jButton3, javax.swing.GroupLayout.DEFAULT_SIZE, 115, Short.MAX_VALUE)
.addComponent(jButton2, javax.swing.GroupLayout.DEFAULT_SIZE, 115, Short.MAX_VALUE)
.addComponent(jButton1, javax.swing.GroupLayout.DEFAULT_SIZE, 115, Short.MAX_VALUE)
.addComponent(jButton29, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 115, Short.MAX_VALUE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addComponent(jButton24, javax.swing.GroupLayout.DEFAULT_SIZE, 124, Short.MAX_VALUE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED))
.addGroup(jPanel1Layout.createSequentialGroup()
.addComponent(jButton10, javax.swing.GroupLayout.DEFAULT_SIZE, 124, Short.MAX_VALUE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(jButton26, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 124, Short.MAX_VALUE)
.addComponent(jButton25, javax.swing.GroupLayout.DEFAULT_SIZE, 124, Short.MAX_VALUE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(jButton5, javax.swing.GroupLayout.DEFAULT_SIZE, 124, Short.MAX_VALUE)
.addComponent(jButton4, javax.swing.GroupLayout.DEFAULT_SIZE, 124, Short.MAX_VALUE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)))
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(10, 10, 10)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
.addComponent(jButton8, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jButton6, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jButton9, javax.swing.GroupLayout.DEFAULT_SIZE, 47, Short.MAX_VALUE)
.addComponent(jButton7, javax.swing.GroupLayout.DEFAULT_SIZE, 47, Short.MAX_VALUE))
.addGap(30, 30, 30))
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(26, 26, 26)
.addComponent(jButton30, javax.swing.GroupLayout.PREFERRED_SIZE, 59, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)))
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addComponent(jButton11)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(jButton15))
.addGroup(jPanel1Layout.createSequentialGroup()
.addComponent(jButton12)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(jButton21))
.addGroup(jPanel1Layout.createSequentialGroup()
.addComponent(jButton13)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(jButton16)))
.addGroup(jPanel1Layout.createSequentialGroup()
.addComponent(jButton14)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jButton17)))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jButton18)
.addComponent(jButton19)
.addComponent(jButton20)
.addComponent(jButton22)))
.addComponent(jButton23))
.addGap(16, 16, 16))
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(68, 68, 68)
.addComponent(jRadioButton1)
.addGap(42, 42, 42)
.addComponent(jRadioButton2)
.addContainerGap(346, Short.MAX_VALUE))
);
jPanel1Layout.setVerticalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(22, 22, 22)
.addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(34, 34, 34)
.addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jRadioButton1)
.addComponent(jRadioButton2))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton1)
.addComponent(jButton6)
.addComponent(jButton5)
.addComponent(jButton7))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup()
.addComponent(jButton23)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)))
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton17)
.addComponent(jButton14)
.addComponent(jButton18))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(34, 34, 34)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton11)
.addComponent(jButton15)
.addComponent(jButton20)))
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton13)
.addComponent(jButton16)
.addComponent(jButton19)))
.addGap(10, 10, 10)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton12)
.addComponent(jButton21)
.addComponent(jButton22)))
.addGroup(jPanel1Layout.createSequentialGroup()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(6, 6, 6)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton2, javax.swing.GroupLayout.PREFERRED_SIZE, 23, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jButton4))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton3)
.addComponent(jButton10)))
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(18, 18, 18)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton9)
.addComponent(jButton8))))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton24)
.addComponent(jButton28)
.addComponent(jButton30))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton25)
.addComponent(jButton27))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton29)
.addComponent(jButton26))))
.addContainerGap(52, Short.MAX_VALUE))
);

javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap(131, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap(207, Short.MAX_VALUE))
);
}//

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
if( jRadioButton1.isSelected())
{
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
r = Operaciones.seno((r*Operaciones.pi())/180);
jTextField1.setText(""+r);
}
else
{
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
r = Operaciones.seno(r);
jTextField1.setText(""+r);
}
}

private void jButton6ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
r=Operaciones.operadores(r);
aux2="+";
aux="";
jTextField1.setText("");
}

private void jButton8ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
r=Operaciones.operadores(r);
aux2="*";
aux="";
jTextField1.setText("");
}

private void jButton12ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
if(aux=="0")
{
aux = "0";
jTextField1.setText(aux);
}
else{
aux += "0";
jTextField1.setText(aux);
}

}

private void jButton21ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
aux += ".";
jTextField1.setText(aux);
}

private void jButton11ActionPerformed(java.awt.event.ActionEvent evt) {

// TODO add your handling code here:

if(aux=="0"||aux=="")
{
aux="1";
jTextField1.setText(aux);
}
else{
aux += "1";
jTextField1.setText(aux);
}
}

private void jButton15ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:

if(aux=="0")
{
aux= "2";
jTextField1.setText(aux);
}
else{
aux += "2";
jTextField1.setText(aux);
}
}

private void jButton20ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:

if(aux=="0")
{
aux= "3";
jTextField1.setText(aux);
}
else{
aux += "3";
jTextField1.setText(aux);
}
}

private void jButton13ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:

if(aux=="0")
{
aux= "4";
jTextField1.setText(aux);
}
else{
aux += "4";
jTextField1.setText(aux);
}
}

private void jButton16ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:

if(aux=="0")
{
aux= "5";
jTextField1.setText(aux);
}
else{
aux += "5";
jTextField1.setText(aux);
}
}

private void jButton19ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:

if(aux=="0")
{

aux= "6";
jTextField1.setText(aux);
}
else{
aux += "6";
jTextField1.setText(aux);
}
}

private void jButton14ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:

if(aux=="0")
{
aux= "7";
jTextField1.setText(aux);
}
else{
aux += "7";
jTextField1.setText(aux);
}
}

private void jButton17ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:

if(aux=="0")
{
aux= "8";
jTextField1.setText(aux);
}
else{
aux += "8";
jTextField1.setText(aux);
}
}

private void jButton18ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:

if(aux=="0")
{
aux= "9";
jTextField1.setText(aux);
}
else{
aux += "9";
jTextField1.setText(aux);
}
}

private void jButton23ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:

aux="0";
jTextField1.setText(aux);

}

private void jTextField1ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
aux="0";
jTextField1.setText(aux);
}

private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
r=Operaciones.operadores(r);
aux2="p";
aux="";
jTextField1.setText("");
}

private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
if( jRadioButton1.isSelected())
{
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
r = Operaciones.coseno((r*Operaciones.pi())/180);
jTextField1.setText(""+r);
}
else
{
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
r = Operaciones.coseno(r);
jTextField1.setText(""+r);
}
}

private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
if( jRadioButton1.isSelected())
{
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
r = Operaciones.tangente((r*Operaciones.pi())/180);
jTextField1.setText(""+r);
}
else
{
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
r = Operaciones.tangente(r);
jTextField1.setText(""+r);
}
}

private void jButton22ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
if(aux2=="+"){
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
r = Operaciones.suma(r);
jTextField1.setText(""+r);
}
if(aux2=="-"){
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
r = Operaciones.resta(r);
jTextField1.setText(""+r);
}
if(aux2=="*"){
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
r = Operaciones.multiplicacion(r);
jTextField1.setText(""+r);
}
if(aux2=="/"){
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
r = Operaciones.division(r);
jTextField1.setText(""+r);
}
if(aux2=="p"){
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
r = Operaciones.exponente(r);
jTextField1.setText(""+r);
}

}

private void jButton7ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
r=Operaciones.operadores(r);
aux2="-";
aux="";
jTextField1.setText("");
}

private void jButton9ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
r=Operaciones.operadores(r);
aux2="/";
aux="";
jTextField1.setText("");
}

private void jButton5ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
r = Operaciones.logaritmo(r);
jTextField1.setText(""+r);

}

private void jButton10ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
r = Operaciones.raiz(r);
jTextField1.setText(""+r);
}

private void jButton24ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:

pi = Operaciones.pi();
jTextField1.setText(""+pi);

}

private void jButton25ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
r = Operaciones.base_exp(r);
jTextField1.setText(""+r);

}

private void jButton26ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
r = Operaciones.abs(r);
jTextField1.setText(""+r);
}

private void jButton27ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
double s;
if(r>1||r<-1)
{
jTextField1.setText("ERROR");
}
else{
if( jRadioButton1.isSelected())
{

r = Operaciones.arcocoseno(r);
s= Math.toDegrees(r);

jTextField1.setText(""+s);

}
else
{

r = Operaciones.arcocoseno(r);
jTextField1.setText(""+r);
}
}

}

private void jButton29ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
double s;
if(r>1||r<-1)
{
jTextField1.setText("ERROR");
}
else{
if( jRadioButton1.isSelected())
{

r = Operaciones.arcotangente(r);
s= Math.toDegrees(r);
jTextField1.setText(""+s);

}
else
{

r = Operaciones.arcotangente(r);
jTextField1.setText(""+r);
}
}

}

private void jButton28ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
double s;
if(r>1||r<-1)
{
jTextField1.setText("ERROR");
}
else{
if( jRadioButton1.isSelected())
{

r = Operaciones.arcoseno(r);
s= Math.toDegrees(r);
jTextField1.setText(""+s);

}
else
{

r = Operaciones.arcoseno(r);
jTextField1.setText(""+r);
}
}

}

private void jRadioButton1ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:

aux="0";
jRadioButton1.setSelected(true);
jTextField1.setText(aux);
}

private void jRadioButton2ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
aux="0";
buttonGroup1.add(jRadioButton1);
buttonGroup1.add(jRadioButton2);
jTextField1.setText(aux);

}

private void jButton30ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
r = Operaciones.cambio_de_signo(r);
jTextField1.setText(""+r);
}
public String aux="";
public String aux2="";
public double x;
public double pi;



// Variables declaration - do not modify
private javax.swing.ButtonGroup buttonGroup1;
private javax.swing.JButton jButton1;
private javax.swing.JButton jButton10;
private javax.swing.JButton jButton11;
private javax.swing.JButton jButton12;
private javax.swing.JButton jButton13;
private javax.swing.JButton jButton14;
private javax.swing.JButton jButton15;
private javax.swing.JButton jButton16;
private javax.swing.JButton jButton17;
private javax.swing.JButton jButton18;
private javax.swing.JButton jButton19;
private javax.swing.JButton jButton2;
private javax.swing.JButton jButton20;
private javax.swing.JButton jButton21;
private javax.swing.JButton jButton22;
private javax.swing.JButton jButton23;
private javax.swing.JButton jButton24;
private javax.swing.JButton jButton25;
private javax.swing.JButton jButton26;
private javax.swing.JButton jButton27;
private javax.swing.JButton jButton28;
private javax.swing.JButton jButton29;
private javax.swing.JButton jButton3;
private javax.swing.JButton jButton30;
private javax.swing.JButton jButton4;
private javax.swing.JButton jButton5;
private javax.swing.JButton jButton6;
private javax.swing.JButton jButton7;
private javax.swing.JButton jButton8;
private javax.swing.JButton jButton9;
private javax.swing.JLabel jLabel1;
private javax.swing.JPanel jPanel1;
private javax.swing.JRadioButton jRadioButton1;
private javax.swing.JRadioButton jRadioButton2;
private javax.swing.JTextField jTextField1;
// End of variables declaration

}

Óperaciones con Matrices

MATRIZ


import javax.swing.JOptionPane;
import java.text.DecimalFormat;

public class Matriz {
public int numeroFilas;
public int numeroColumnas;
public double [][]matriz;

public Matriz(){
}

public Matriz(int nF, int nC){

numeroFilas=nF;
numeroColumnas=nC;
matriz=new double[numeroFilas][numeroColumnas];//construyo un sitio para almacenar ceros
for(int i=0;i < numeroFilas;i++)
for(int j=0; j < numeroColumnas; j++)
matriz [i][j]=0;
}

public Matriz suma(Matriz b){
Matriz resultado;
if((this.numeroFilas == b.numeroFilas)&& (this.numeroColumnas == b.numeroColumnas)){
resultado = new Matriz(this.numeroFilas, this.numeroColumnas);
for(int i=0; i < this.numeroFilas; i++)
for(int j=0; j < this.numeroColumnas; j++)
resultado.matriz[i][j] = this.matriz[i][j]+ b.matriz[i][j];
return resultado;
}
else
System.out.println("ERROR EN DIMENSIONES DE LAS MATRICES");
resultado=null;
return resultado;
}

/**
* Metodo de resta de matrices
* @return matriz resultado de resta
*/
public Matriz resta(Matriz b){
Matriz resultado;
if ((this.numeroFilas == b.numeroFilas)&(this.numeroFilas == b.numeroColumnas)){
resultado = new Matriz (this.numeroFilas,this.numeroColumnas);//construyo la caja donde almaceno el resultado
for(int i = 0;i < this.numeroFilas;i++)
for(int j=0;j < this.numeroColumnas;j++)
resultado.matriz[i][j] = this.matriz[i][j]-b.matriz[i][j];
return resultado;
}

else{
System.out.println("ERROR EN DIMENSIONES DE LAS MATRICES");
resultado=null;
return resultado;
}
}


/**
* Metodo para transpuesta de una matriz
* @return
*/
//el numero de filas se cambia al numero de columnas

public Matriz Transpuesta(){
Matriz resultado;
resultado=new Matriz(this.numeroColumnas,this.numeroFilas);
for(int i=0; i < this.numeroFilas; i++)
for(int j=0; j < this.numeroColumnas; j++)
resultado.matriz[j][i]=this.matriz[i][j];
return resultado;
}

/**
* Metodo para multiplicaci�n entre matrices
* @return
*/
public Matriz Multiplicacion(Matriz b){
Matriz resultado;
if(this.numeroColumnas==b.numeroFilas){
resultado=new Matriz(this.numeroFilas, b.numeroColumnas);
for(int i=0; i < this.numeroFilas; i++){
for(int j=0; j < b.numeroColumnas; j++){
for(int k=0; k < this.numeroColumnas; k++)
resultado.matriz[i][j]+=this.matriz[i][k]*b.matriz[k][j];
}
}
return resultado;
}
else
System.out.println("ERROR EN DIMENSIONES DE LAS MATRICES");
resultado=null;
return resultado;
}

public Matriz inversa()
{
Matriz resultado = new Matriz ();
resultado.matriz[0][0]=((this.matriz[1][1]*this.matriz[2][2])-(this.matriz[2][1]*this.matriz[1][2]));
resultado.matriz[0][1]=((this.matriz[1][0]*this.matriz[2][2])-(this.matriz[2][0]*this.matriz[1][2]));
resultado.matriz[0][2]=((this.matriz[1][0]*this.matriz[2][1])-(this.matriz[2][0]*this.matriz[1][1]));
resultado.matriz[1][0]=((this.matriz[0][1]*this.matriz[2][2])-(this.matriz[2][1]*this.matriz[0][2]));
resultado.matriz[1][1]=((this.matriz[1][0]*this.matriz[2][2])-(this.matriz[2][0]*this.matriz[1][2]));
resultado.matriz[1][2]=((this.matriz[0][0]*this.matriz[2][1])-(this.matriz[2][0]*this.matriz[0][1]));
resultado.matriz[2][0]=((this.matriz[0][1]*this.matriz[1][2])-(this.matriz[1][1]*this.matriz[0][2]));
resultado.matriz[2][1]=((this.matriz[0][0]*this.matriz[1][2])-(this.matriz[1][0]*this.matriz[0][2]));
resultado.matriz[2][2]=((this.matriz[0][0]*this.matriz[1][1])-(this.matriz[1][0]*this.matriz[0][1]));
return resultado;
}

public void leer(){
String aux;
for(int i=0; i < this.numeroFilas; i++){
for(int j=0; j < this.numeroColumnas; j++){
aux = JOptionPane.showInputDialog(null,"INGRESO DE VALORES","INGRESE EL VALOR: "+(i+1)+","+(j+1),JOptionPane.DEFAULT_OPTION);
this.matriz[i][j]=Double.parseDouble(aux);
}
}
}

public String toString(){

String aux="\n";
DecimalFormat df = new DecimalFormat("0.0000");
for(int i=0; i < numeroFilas; i++){
for(int j=0; j < numeroColumnas; j++){
aux+=df.format(matriz[i][j])+" ";
}
aux+="\n";
}
aux+=" ";
return aux;
}
}


JAPPLET

public class OperacionesMatrices extends javax.swing.JApplet {

/** Initializes the applet OperacionesMatrices */
public void init() {
try {
java.awt.EventQueue.invokeAndWait(new Runnable() {
public void run() {
initComponents();
}
});
} catch (Exception ex) {
ex.printStackTrace();
}
}

/** This method is called from within the init() method to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
//
private void initComponents() {

jPanel1 = new javax.swing.JPanel();
jLabel1 = new javax.swing.JLabel();
jLabel2 = new javax.swing.JLabel();
jLabel3 = new javax.swing.JLabel();
jLabel4 = new javax.swing.JLabel();
jLabel5 = new javax.swing.JLabel();
jLabel6 = new javax.swing.JLabel();
jTextField1 = new javax.swing.JTextField();
jTextField2 = new javax.swing.JTextField();
jLabel7 = new javax.swing.JLabel();
jLabel8 = new javax.swing.JLabel();
jTextField3 = new javax.swing.JTextField();
jTextField4 = new javax.swing.JTextField();
jButton1 = new javax.swing.JButton();
jButton2 = new javax.swing.JButton();
jButton3 = new javax.swing.JButton();
jScrollPane1 = new javax.swing.JScrollPane();
jTextArea1 = new javax.swing.JTextArea();
jButton4 = new javax.swing.JButton();
jButton5 = new javax.swing.JButton();

jLabel1.setText("Operaciones de Matrices");

jLabel2.setText("Operaciones Binarias");

jLabel3.setText("Matriz 1");

jLabel4.setText("Matriz 2");

jLabel5.setText("Numero de Filas");

jLabel6.setText("Numero de Columnas");

jTextField1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jTextField1ActionPerformed(evt);
}
});

jTextField2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jTextField2ActionPerformed(evt);
}
});

jLabel7.setText("Numero Filas");

jLabel8.setText("Numero Columnas");

jTextField3.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jTextField3ActionPerformed(evt);
}
});

jButton1.setText("Suma");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});

jButton2.setText("Resta");
jButton2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton2ActionPerformed(evt);
}
});

jButton3.setText("Multiplicación");
jButton3.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton3ActionPerformed(evt);
}
});

jTextArea1.setColumns(20);
jTextArea1.setRows(5);
jScrollPane1.setViewportView(jTextArea1);

jButton4.setText("Transpuesta");
jButton4.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton4ActionPerformed(evt);
}
});

jButton5.setText("Inversa");
jButton5.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton5ActionPerformed(evt);
}
});

javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
jPanel1.setLayout(jPanel1Layout);
jPanel1Layout.setHorizontalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup()
.addGap(65, 65, 65)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addGroup(javax.swing.GroupLayout.Alignment.LEADING, jPanel1Layout.createSequentialGroup()
.addGap(52, 52, 52)
.addComponent(jButton2)
.addGap(18, 18, 18)
.addComponent(jButton3)
.addGap(18, 18, 18)
.addComponent(jButton4))
.addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 138, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel3)
.addComponent(jLabel5)
.addComponent(jLabel6))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
.addComponent(jTextField2)
.addComponent(jTextField1, javax.swing.GroupLayout.DEFAULT_SIZE, 44, Short.MAX_VALUE))
.addGap(58, 58, 58)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel7)
.addComponent(jLabel8)
.addComponent(jLabel4))))
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(39, 39, 39)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(jTextField3)
.addComponent(jTextField4, javax.swing.GroupLayout.DEFAULT_SIZE, 47, Short.MAX_VALUE)))
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(18, 18, 18)
.addComponent(jButton5)))
.addGap(21, 21, 21))
.addComponent(jLabel2)
.addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 521, Short.MAX_VALUE)))
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(40, 40, 40)
.addComponent(jButton1)))
.addGap(22, 22, 22))
);
jPanel1Layout.setVerticalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(26, 26, 26)
.addComponent(jLabel2))
.addGroup(jPanel1Layout.createSequentialGroup()
.addContainerGap()
.addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 14, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel3)
.addComponent(jLabel4))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel5)
.addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel7))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel6)
.addComponent(jTextField2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel8))
.addGap(31, 31, 31)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton1)
.addComponent(jButton2)
.addComponent(jButton3)
.addComponent(jButton4)
.addComponent(jButton5)))
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(58, 58, 58)
.addComponent(jTextField3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(jTextField4, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addGap(49, 49, 49)
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap(57, Short.MAX_VALUE))
);

javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addContainerGap()
.addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addContainerGap())
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addContainerGap())
);
}//

private void jTextField1ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
}

private void jTextField2ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
}

private void jTextField3ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
}

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
String aux = jTextField1.getText();
String aux1="";
int nF = Integer.parseInt(aux);
aux = jTextField2.getText();
int nC = Integer.parseInt(aux);
m1 = new Matriz(nF,nC);
m1.leer();
aux1 += m1.toString();
aux = jTextField3.getText();
nF = Integer.parseInt(aux);
aux = jTextField4.getText();
nC = Integer.parseInt(aux);
m2 = new Matriz(nF,nC);
m2.leer();
aux1 += m2.toString();
jTextArea1.setText("Suma de Matrices: \n"+aux1+(m1.suma(m2)).toString());
}

private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
String aux = jTextField1.getText();
String aux1="";
int nF = Integer.parseInt(aux);
aux = jTextField2.getText();
int nC = Integer.parseInt(aux);
m1 = new Matriz(nF,nC);
m1.leer();
aux1 += m1.toString();
aux = jTextField3.getText();
nF = Integer.parseInt(aux);
aux = jTextField4.getText();
nC = Integer.parseInt(aux);
m2 = new Matriz(nF,nC);
m2.leer();
aux1 += m2.toString();
jTextArea1.setText("Resta de Matrices: \n"+aux1+(m1.resta(m2)).toString());
}

private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
String aux = jTextField1.getText();
String aux1="";
int nF = Integer.parseInt(aux);
aux = jTextField2.getText();
int nC = Integer.parseInt(aux);
m1 = new Matriz(nF,nC);
m1.leer();
aux1 += m1.toString();
aux = jTextField3.getText();
nF = Integer.parseInt(aux);
aux = jTextField4.getText();
nC = Integer.parseInt(aux);
m2 = new Matriz(nF,nC);
m2.leer();
aux1 += m2.toString();
jTextArea1.setText("Multiplicacion de Matrices: \n"+aux1+(m1.Multiplicacion(m2)).toString());
}

private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
String aux = jTextField1.getText();
String aux1="";
int nF = Integer.parseInt(aux);
aux = jTextField2.getText();
int nC = Integer.parseInt(aux);
m1 = new Matriz(nF,nC);
m1.leer();
aux += m1.toString();
jTextArea1.setText("La transpuesta de la matriz uno es: \n"+aux1+(m1.Transpuesta()).toString());
}

private void jButton5ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
String aux = jTextField1.getText();
String aux1="";
int nF = Integer.parseInt(aux);
aux = jTextField2.getText();
int nC = Integer.parseInt(aux);
m1 = new Matriz(nF,nC);
m1.leer();
aux1 += m1.toString();
jTextArea1.setText("La inversa de la matriz uno es: \n"+aux1+(m1.inversa()).toString());
}

public Matriz m1;
public Matriz m2;
// Variables declaration - do not modify
private javax.swing.JButton jButton1;
private javax.swing.JButton jButton2;
private javax.swing.JButton jButton3;
private javax.swing.JButton jButton4;
private javax.swing.JButton jButton5;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
private javax.swing.JLabel jLabel3;
private javax.swing.JLabel jLabel4;
private javax.swing.JLabel jLabel5;
private javax.swing.JLabel jLabel6;
private javax.swing.JLabel jLabel7;
private javax.swing.JLabel jLabel8;
private javax.swing.JPanel jPanel1;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JTextArea jTextArea1;
private javax.swing.JTextField jTextField1;
private javax.swing.JTextField jTextField2;
private javax.swing.JTextField jTextField3;
private javax.swing.JTextField jTextField4;
// End of variables declaration
}

Suma Matriz

MATRIZ

CLASE MATRIZ PARA LA SUMA

public Matriz(int nF, int nC){

numeroFilas=nF;
numeroColumnas=nC;
matriz=new double[numeroFilas][numeroColumnas];//construyo un sitio para almacenar ceros
for(int i=0; i < numeroFilas; i++)
for(int j=0; j < numeroColumnas; j++)
matriz [i][j]=0;
}

/**
* Metodo de suma de matrices
* @param B primer sumando
* @return matriz resultado de suma
*/
public Matriz suma(Matriz b){
Matriz resultado;
//probar q el numero de fila y columnas de la primera matriz sea = al numero de
//filas y columnas de la segunda
//this referencia a un objeto que aun no esta creado pero que alguien algun momento lo va a crear
if((this.numeroFilas == b.numeroFilas)&& (this.numeroColumnas == b.numeroColumnas)){
resultado = new Matriz(this.numeroFilas, this.numeroColumnas);
for(int i=0; i < this.numeroFilas; i++)
for(int j=0; j < this.numeroColumnas; j++)
resultado.matriz[i][j] = this.matriz[i][j]+ b.matriz[i][j];
return resultado;
}
else
System.out.println("ERROR EN DIMENSIONES DE LAS MATRICES");
resultado=null;
return resultado;
}

public void leerMatriz(){
int i;
for(i=0;i for(int j=0;j String aux;
aux=JOptionPane.showInputDialog(null,"Ingreso de valores",
"Ingreseel Valor "+"["+(i+1)+","+(j+1)+"]",JOptionPane.DEFAULT_OPTION);
this.matriz[i][j]=Double.parseDouble(aux);
}
}
}

/**
* Devuelve el objeto matriz en texto
* @return
*/
public String toString(){
String aux="\n\n";
DecimalFormat df = new DecimalFormat("0.0000");//# enteros y # decimales
for(int i=0; i for(int j=0; j aux+=df.format(matriz[i][j])+" ";
}
aux+="\n";
}
aux+=" ";
return aux;
}

}


-----------------------------------------------------

public class Suma extends javax.swing.JApplet {

/** Initializes the applet suma */
public void init() {
try {
java.awt.EventQueue.invokeAndWait(new Runnable() {
public void run() {
initComponents();
}
});
} catch (Exception ex) {
ex.printStackTrace();
}
}

/** This method is called from within the init() method to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
//
private void initComponents() {

jPanel1 = new javax.swing.JPanel();
jLabel1 = new javax.swing.JLabel();
jLabel2 = new javax.swing.JLabel();
jLabel3 = new javax.swing.JLabel();
jScrollPane1 = new javax.swing.JScrollPane();
jTextArea1 = new javax.swing.JTextArea();
jButton1 = new javax.swing.JButton();
jButton2 = new javax.swing.JButton();
jButton3 = new javax.swing.JButton();
jTextField1 = new javax.swing.JTextField();
jTextField2 = new javax.swing.JTextField();
jButton4 = new javax.swing.JButton();
jButton5 = new javax.swing.JButton();
jScrollPane2 = new javax.swing.JScrollPane();
jTextArea2 = new javax.swing.JTextArea();
jScrollPane3 = new javax.swing.JScrollPane();
jTextArea3 = new javax.swing.JTextArea();

jLabel1.setBackground(new java.awt.Color(0, 153, 255));
jLabel1.setFont(new java.awt.Font("Jokerman", 0, 12)); // NOI18N
jLabel1.setForeground(new java.awt.Color(255, 153, 204));
jLabel1.setText("SUMA DE MATRICES");

jLabel2.setText("Numero de Filas: ");

jLabel3.setText("Numero de Columnas: ");

jTextArea1.setColumns(20);
jTextArea1.setRows(5);
jScrollPane1.setViewportView(jTextArea1);

jButton1.setText("Leer Matriz 1");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});

jButton2.setText("Leer Matriz 2");
jButton2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton2ActionPerformed(evt);
}
});

jButton3.setActionCommand("jButton3");
jButton3.setLabel("Resultado Suma");
jButton3.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton3ActionPerformed(evt);
}
});

jTextField1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jTextField1ActionPerformed(evt);
}
});

jButton4.setText("Imprimir M1");
jButton4.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton4ActionPerformed(evt);
}
});

jButton5.setText("Imprimir M2");
jButton5.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton5ActionPerformed(evt);
}
});

jTextArea2.setColumns(20);
jTextArea2.setRows(5);
jScrollPane2.setViewportView(jTextArea2);

jTextArea3.setColumns(20);
jTextArea3.setRows(5);
jScrollPane3.setViewportView(jTextArea3);

javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
jPanel1.setLayout(jPanel1Layout);
jPanel1Layout.setHorizontalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(51, 51, 51)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jButton4, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, 108, Short.MAX_VALUE)
.addComponent(jScrollPane2, javax.swing.GroupLayout.Alignment.TRAILING, 0, 0, Short.MAX_VALUE)
.addComponent(jButton1, javax.swing.GroupLayout.DEFAULT_SIZE, 108, Short.MAX_VALUE)
.addComponent(jLabel3))
.addGap(48, 48, 48))
.addGroup(jPanel1Layout.createSequentialGroup()
.addComponent(jLabel2)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)))
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 171, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jScrollPane3, javax.swing.GroupLayout.PREFERRED_SIZE, 119, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(10, 10, 10)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(jButton5, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jButton2, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))))
.addGap(37, 37, 37)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jScrollPane1, 0, 0, Short.MAX_VALUE)
.addComponent(jButton3)))
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
.addGroup(javax.swing.GroupLayout.Alignment.LEADING, jPanel1Layout.createSequentialGroup()
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jTextField1))
.addComponent(jTextField2, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 57, Short.MAX_VALUE)))
.addContainerGap())
);
jPanel1Layout.setVerticalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(24, 24, 24)
.addComponent(jLabel1)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addGroup(javax.swing.GroupLayout.Alignment.LEADING, jPanel1Layout.createSequentialGroup()
.addGap(19, 19, 19)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel2)
.addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(14, 14, 14)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jTextField2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel3))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 19, Short.MAX_VALUE)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton2)
.addComponent(jButton1))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jButton5)
.addComponent(jButton4))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(jScrollPane3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addGroup(jPanel1Layout.createSequentialGroup()
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jButton3)
.addGap(18, 18, 18)
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addContainerGap())
);

javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
);
}//

private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
String aux = jTextField1.getText();//captura el texto y lo almacena en variable aux aparec en el boton jtex field 1
nF = Integer.parseInt(aux);//num. filas --->CONVIERTO DE STRING A NUMERO ENTERO
aux = jTextField2.getText();
nC = Integer.parseInt(aux);//num columnas
n= new Matriz(nF,nC);
n.leerMatriz();//ingreso de datos

}

private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
m = m.suma(n);
jTextArea1.setText(m.toString());//imprimir matriz
}

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
String aux = jTextField1.getText();//captura el texto y lo almacena en variable aux aparec en el boton jtex field 1
nF = Integer.parseInt(aux);//num. filas --->CONVIERTO DE STRING A NUMERO ENTERO
aux = jTextField2.getText();
nC = Integer.parseInt(aux);//num columnas
m= new Matriz(nF,nC);
m.leerMatriz();//ingreso de datos

}

private void jTextField1ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
}

private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
jTextArea2.setText(m.toString());//imprimir matriz

}

private void jButton5ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
jTextArea3.setText(n.toString());//imprimir matriz

}


// Variables declaration
private javax.swing.JButton jButton1;
private javax.swing.JButton jButton2;
private javax.swing.JButton jButton3;
private javax.swing.JButton jButton4;
private javax.swing.JButton jButton5;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
private javax.swing.JLabel jLabel3;
private javax.swing.JPanel jPanel1;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JScrollPane jScrollPane2;
private javax.swing.JScrollPane jScrollPane3;
private javax.swing.JTextArea jTextArea1;
private javax.swing.JTextArea jTextArea2;
private javax.swing.JTextArea jTextArea3;
private javax.swing.JTextField jTextField1;
private javax.swing.JTextField jTextField2;
// End of variables declaration
public int nF;
public int nC;
public Matriz m,n;
}