Calculadora

Clase Operaciones

public class Operaciones {
static double resultado;
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,double y){
resultado = x+y;
return resultado;
}

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

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

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

public static void main(String args[]){
double y;
//Operaciones p = new Operaciones();
y = seno(3.141516);
System.out.println("El seno "+y);
}

}

------------------------------------------------------------
APPLET
public class OperacionesCalculadora extends javax.swing.JApplet {
public void init() {
try {
java.awt.EventQueue.invokeAndWait(new Runnable() {
public void run() {
initComponents();
}});
} catch (Exception ex) {
ex.printStackTrace();
}}

@SuppressWarnings("unchecked")
//
private void initComponents() {

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();
jScrollPane1 = new javax.swing.JScrollPane();
jTextArea1 = new javax.swing.JTextArea();
jTextField1 = new javax.swing.JTextField();
jButton21 = new javax.swing.JButton();
jButton22 = new javax.swing.JButton();

jButton1.setBackground(new java.awt.Color(204, 0, 204));
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("raiz");
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("1");
jButton6.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton6ActionPerformed(evt);
}
});

jButton7.setText("4");
jButton7.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton7ActionPerformed(evt);
}
});

jButton8.setText("2");
jButton8.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton8ActionPerformed(evt);
}
});

jButton9.setText("3");
jButton9.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton9ActionPerformed(evt);
}
});

jButton10.setText("5");
jButton10.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton10ActionPerformed(evt);
}
});

jButton11.setText("6");
jButton11.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton11ActionPerformed(evt);
}
});

jButton12.setText("7");
jButton12.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton12ActionPerformed(evt);
}
});

jButton13.setText("8");
jButton13.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton13ActionPerformed(evt);
}
});

jButton14.setText("9");
jButton14.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton14ActionPerformed(evt);
}
});

jButton15.setText("0");
jButton15.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton15ActionPerformed(evt);
}
});

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

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

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

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

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

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

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

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

javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addComponent(jButton1)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jButton6))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addComponent(jButton2)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jButton7))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jButton4)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
.addComponent(jButton5, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jButton3, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)))
.addGap(37, 37, 37)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(jButton12)
.addComponent(jButton21))))
.addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 125, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addComponent(jButton8)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jButton9))
.addGroup(layout.createSequentialGroup()
.addComponent(jButton10)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jButton11))
.addGroup(layout.createSequentialGroup()
.addComponent(jButton13)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jButton14))
.addComponent(jButton15)
.addComponent(jButton22))
.addGap(52, 52, 52)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(jButton16, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jButton17, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jButton18, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jButton19, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jButton20, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))))
.addContainerGap(33, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton16)
.addComponent(jButton6)
.addComponent(jButton8)
.addComponent(jButton9)
.addComponent(jButton1))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton17)
.addComponent(jButton7)
.addComponent(jButton10)
.addComponent(jButton11)
.addComponent(jButton2))
.addGap(6, 6, 6)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addComponent(jButton18)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jButton19)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jButton20))
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton3)
.addComponent(jButton12)
.addComponent(jButton13)
.addComponent(jButton14))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addComponent(jButton4)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jButton5))
.addComponent(jButton15))))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 28, Short.MAX_VALUE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(26, 26, 26))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton21)
.addComponent(jButton22))
.addGap(140, 140, 140))))
);
}//

private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
r = Operaciones.coseno(r);
jTextArea1.setText("El coseno es :\n "+r);
aux = "";
jTextField1.setText(aux);
}

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
r = Operaciones.seno(r);
jTextArea1.setText("El seno es :\n "+r);
aux = "";
jTextField1.setText(aux);
}

private void jButton6ActionPerformed(java.awt.event.ActionEvent evt) {
aux += 1;
jTextField1.setText(aux);
}

private void jButton8ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
aux += 2;
jTextField1.setText(aux);
}

private void jButton9ActionPerformed(java.awt.event.ActionEvent evt) {
aux += 3;
jTextField1.setText(aux);
}

private void jButton7ActionPerformed(java.awt.event.ActionEvent evt) {
aux += 4;
jTextField1.setText(aux);
}

private void jButton10ActionPerformed(java.awt.event.ActionEvent evt) {
aux += 5;
jTextField1.setText(aux);
}

private void jButton11ActionPerformed(java.awt.event.ActionEvent evt) {
aux += 6;
jTextField1.setText(aux);
}

private void jButton12ActionPerformed(java.awt.event.ActionEvent evt) {
aux += 7;
jTextField1.setText(aux);
}

private void jButton13ActionPerformed(java.awt.event.ActionEvent evt) {
aux += 8;
jTextField1.setText(aux);
}

private void jButton14ActionPerformed(java.awt.event.ActionEvent evt) {
aux += 9;
jTextField1.setText(aux);
}

private void jButton15ActionPerformed(java.awt.event.ActionEvent evt) {
aux += 0;
jTextField1.setText(aux);
}

private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
r = Operaciones.tangente(r);
jTextArea1.setText("La tangente es :\n "+r);
aux = "";
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.raiz(r);
jTextArea1.setText("La raiz es :\n "+r);
aux = "";
jTextField1.setText(aux);
}

private void jButton5ActionPerformed(java.awt.event.ActionEvent evt) {
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
r = Operaciones.logaritmo(r);
jTextArea1.setText("El logaritmo es :\n "+r);
aux = "";
jTextField1.setText(aux);
}

private void jButton16ActionPerformed(java.awt.event.ActionEvent evt) {
String aux1 = jTextField1.getText();
x = Double.parseDouble(aux1);
aux2 = "+";
aux="";
jTextField1.setText("");
}

private void jButton17ActionPerformed(java.awt.event.ActionEvent evt) {
String aux1 = jTextField1.getText();
x = Double.parseDouble(aux1);
aux2 = "-";
aux="";
jTextField1.setText("");
}

private void jButton18ActionPerformed(java.awt.event.ActionEvent evt) {
String aux1 = jTextField1.getText();
x = Double.parseDouble(aux1);
aux2 = "^";
aux="";
jTextField1.setText("");
}

private void jButton19ActionPerformed(java.awt.event.ActionEvent evt) {
String aux1 = jTextField1.getText();
x = Double.parseDouble(aux1);
aux2 = "*";
aux="";
jTextField1.setText("");
}

private void jButton20ActionPerformed(java.awt.event.ActionEvent evt) {
String aux1 = jTextField1.getText();
x = Double.parseDouble(aux1);
aux2 = "/";
aux="";
jTextField1.setText("");
}

private void jButton21ActionPerformed(java.awt.event.ActionEvent evt) {
if(aux2 == "+"){
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
jTextArea1.setText("La suma es: \n" +Operaciones.suma(x, r));
}

if(aux2 == "-"){
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
jTextArea1.setText("La resta es:\n" +Operaciones.resta(x,r));
}

if(aux2 == "^"){
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
jTextArea1.setText("La potencia es:\n" +Operaciones.exponente(x, r));
}

if(aux2 == "*"){
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
jTextArea1.setText("La multiplicacion es:\n" +Operaciones.multiplicacion(x, r));
}

if(aux2 == "/"){
String aux1 = jTextField1.getText();
double r = Double.parseDouble(aux1);
jTextArea1.setText("La division es:\n" +Operaciones.division(x,r));
}
}

private void jButton22ActionPerformed(java.awt.event.ActionEvent evt) {
aux="";
jTextField1.setText("");
}

public String aux = "";
public String aux2 = "";
double x;
// Variables declaration - do not modify
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 jButton3;
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.JScrollPane jScrollPane1;
private javax.swing.JTextArea jTextArea1;
private javax.swing.JTextField jTextField1;
// End of variables declaration

}

RESULTADO:

Operaciones con Matrices

Resultados:





CLASE 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;
}
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;
}
}

//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;
}
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 r;
r=new Matriz(this.numeroColumnas,this.numeroFilas);
for(int i=0; i < this.numeroFilas; i++)
for(int j=0; j < this.numeroColumnas; j++)
r=new Matriz(this.numeroColumnas,this.numeroFilas);
r.matriz[0][0]=((this.matriz[1][1]*this.matriz[2][2])-(this.matriz[2][1]*this.matriz[1][2]));
r.matriz[0][1]=((this.matriz[1][0]*this.matriz[2][2])-(this.matriz[2][0]*this.matriz[1][2]));
r.matriz[0][2]=((this.matriz[1][0]*this.matriz[2][1])-(this.matriz[2][0]*this.matriz[1][1]));
r.matriz[1][0]=((this.matriz[0][1]*this.matriz[2][2])-(this.matriz[2][1]*this.matriz[0][2]));
r.matriz[1][1]=((this.matriz[1][0]*this.matriz[2][2])-(this.matriz[2][0]*this.matriz[1][2]));
r.matriz[1][2]=((this.matriz[0][0]*this.matriz[2][1])-(this.matriz[2][0]*this.matriz[0][1]));
r.matriz[2][0]=((this.matriz[0][1]*this.matriz[1][2])-(this.matriz[1][1]*this.matriz[0][2]));
r.matriz[2][1]=((this.matriz[0][0]*this.matriz[1][2])-(this.matriz[1][0]*this.matriz[0][2]));
r.matriz[2][2]=((this.matriz[0][0]*this.matriz[1][1])-(this.matriz[1][0]*this.matriz[0][1]));
return r;
}


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;
}
}
APPLET


public class TodasOperaciones extends javax.swing.JApplet {

/** Initializes the applet TodasOperaciones */
public void init() {
try {
java.awt.EventQueue.invokeAndWait(new Runnable() {
public void run() {
initComponents();
}
});
} catch (Exception ex) {
ex.printStackTrace();
}
}
@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();
jLabel7 = new javax.swing.JLabel();
jLabel8 = new javax.swing.JLabel();
jTextField1 = new javax.swing.JTextField();
jTextField2 = new javax.swing.JTextField();
jTextField3 = new javax.swing.JTextField();
jTextField4 = new javax.swing.JTextField();
jButton1 = new javax.swing.JButton();
jButton2 = new javax.swing.JButton();
jScrollPane1 = new javax.swing.JScrollPane();
jTextArea1 = new javax.swing.JTextArea();
jScrollPane2 = new javax.swing.JScrollPane();
jTextArea2 = new javax.swing.JTextArea();
jButton3 = new javax.swing.JButton();
jButton4 = new javax.swing.JButton();
jButton5 = new javax.swing.JButton();
jButton6 = new javax.swing.JButton();
jScrollPane3 = new javax.swing.JScrollPane();
jTextArea3 = new javax.swing.JTextArea();
Multiplicacion = new javax.swing.JButton();
jButton8 = new javax.swing.JButton();

jPanel1.setBackground(new java.awt.Color(204, 255, 255));

jLabel1.setForeground(new java.awt.Color(255, 51, 51));
jLabel1.setText("Operaciones Matrices");

jLabel2.setText("Ingrese las Matrices");

jLabel3.setText("Matriz 1");

jLabel4.setText("Numero de Filas");

jLabel5.setText("Numero de Columnas");

jLabel6.setText("Matriz 2");

jLabel7.setText("Numero de Filas");

jLabel8.setText("Numero de Columnas");

jButton1.setText("Leer Matriz 1");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});
jButton2.setText("Imprimir Matriz 1");
jButton2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton2ActionPerformed(evt);
}
});
jTextArea1.setColumns(20);
jTextArea1.setRows(5);
jScrollPane1.setViewportView(jTextArea1);

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

jButton3.setBackground(new java.awt.Color(255, 204, 255));
jButton3.setText("Leer Matriz 2");
jButton3.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton3ActionPerformed(evt);
}
});

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

jButton5.setBackground(new java.awt.Color(255, 204, 255));
jButton5.setText("Imprimir Matriz 2");
jButton5.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton5ActionPerformed(evt);
}
});

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

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

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

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

javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
jPanel1.setLayout(jPanel1Layout);
jPanel1Layout.setHorizontalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(305, 305, 305)
.addComponent(jLabel1))
.addGroup(jPanel1Layout.createSequentialGroup()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(98, 98, 98)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel3)
.addComponent(jLabel2)
.addGroup(jPanel1Layout.createSequentialGroup()
.addComponent(jButton1)
.addGap(18, 18, 18)
.addComponent(jButton2))
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(10, 10, 10)
.addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(jPanel1Layout.createSequentialGroup()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel4)
.addComponent(jLabel5))
.addGap(39, 39, 39)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(jTextField2)
.addComponent(jTextField1, javax.swing.GroupLayout.DEFAULT_SIZE, 72, Short.MAX_VALUE)))))
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(191, 191, 191)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(jButton6)
.addComponent(jButton4))))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jButton8)
.addComponent(Multiplicacion))
.addGap(86, 86, 86)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel6)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel7)
.addComponent(jLabel8))
.addGap(42, 42, 42)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
.addComponent(jTextField4, javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jTextField3, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 69, Short.MAX_VALUE)))
.addComponent(jScrollPane3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGroup(jPanel1Layout.createSequentialGroup()
.addComponent(jButton3)
.addGap(35, 35, 35)
.addComponent(jButton5)))))
.addContainerGap(2029, Short.MAX_VALUE))
);
jPanel1Layout.setVerticalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addContainerGap()
.addComponent(jLabel1)
.addGap(26, 26, 26)
.addComponent(jLabel2)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel3)
.addComponent(jLabel6, javax.swing.GroupLayout.PREFERRED_SIZE, 24, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel4)
.addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel7)
.addComponent(jTextField3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel5)
.addComponent(jTextField2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel8)
.addComponent(jTextField4, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(16, 16, 16)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(jButton1)
.addComponent(jButton2))
.addGap(13, 13, 13)
.addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(jPanel1Layout.createSequentialGroup()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton3)
.addComponent(jButton5))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(jScrollPane3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)))
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(36, 36, 36)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton4)
.addComponent(Multiplicacion))
.addGap(30, 30, 30)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton8)
.addComponent(jButton6)))
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(55, 55, 55)
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addGap(125, 125, 125))
);

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()
.addGap(41, 41, 41)
.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(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addGap(44, 44, 44)
.addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, 571, Short.MAX_VALUE)
.addContainerGap())
);
}
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
String aux = jTextField1.getText();
nF = Integer.parseInt(aux);
aux = jTextField2.getText();
nC = Integer.parseInt(aux);
m = new Matriz(nF,nC);
m.leer();
}
private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
jTextArea2.setText(m.toString());
}
private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {
String aux = jTextField3.getText();
nF = Integer.parseInt(aux);
aux = jTextField4.getText();
nC = Integer.parseInt(aux);
s = new Matriz(nF,nC);
s.leer();
}
private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {
E = new Matriz(nF,nC);
E = m.suma(s);
jTextArea1.setText(E.toString());
}
private void jButton5ActionPerformed(java.awt.event.ActionEvent evt) {
jTextArea3.setText(s.toString());
}
private void MultiplicacionActionPerformed(java.awt.event.ActionEvent evt) {
B = new Matriz(nF,nC);
B = m.Multiplicacion(s);
jTextArea1.setText(B.toString());
}
private void jButton8ActionPerformed(java.awt.event.ActionEvent evt) {

}
private void jButton6ActionPerformed(java.awt.event.ActionEvent evt) {

A = new Matriz(nF,nC);
A = m.resta(s);
jTextArea1.setText(A.toString());
}

private void jButton5ActionPerformed(java.awt.event.ActionEvent evt) {

String aux = jTextField5.getText();
int nF = Integer.parseInt(aux);
aux = jTextField6.getText();
int nC = Integer.parseInt(aux);
m3= new Matriz(nF,nC);
m3.leerMatriz();
jTextArea2.setText("\nMATRIZ: \n"+(m3.toString())+"INVERSA DE MATRICES: \n"+(m3.Inversa().toString()));
}

private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {

String aux = jTextField5.getText();
int nF = Integer.parseInt(aux);
aux = jTextField6.getText();
int nC = Integer.parseInt(aux);
m3= new Matriz(nF,nC);
m3.leerMatriz();

jTextArea2.setText("\nMATRIZ: \n"+(m3.toString())+"TRANSPUESTA DE MATRIZ: \n"+(m3.Transpuesta().toString()));
}


public int nF;
public int nC;
public int m3;
public Matriz m;
public Matriz s;
public Matriz E;
public Matriz A;
public Matriz B;

// Variables declaration - do not modify
private javax.swing.JButton Multiplicacion;
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.JButton jButton6;
private javax.swing.JButton jButton8;
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.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;
private javax.swing.JTextField jTextField3;
private javax.swing.JTextField jTextField4;
// End of variables declaration
}

Applet Suma de Matrices

Clase 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;
}
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;
}
}

APPLET
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();
jScrollPane1 = new javax.swing.JScrollPane();
jTextArea1 = new javax.swing.JTextArea();

jPanel1.setBackground(new java.awt.Color(204, 255, 204));

jLabel1.setForeground(new java.awt.Color(255, 51, 51));
jLabel1.setText("Operaciones de Matrices");

jLabel2.setForeground(new java.awt.Color(255, 153, 255));
jLabel2.setText("Suma de Matrices");

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.setBackground(new java.awt.Color(204, 204, 255));
jButton1.setText("Suma");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});

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

javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
jPanel1.setLayout(jPanel1Layout);
jPanel1Layout.setHorizontalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(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(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)))
.addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 138, javax.swing.GroupLayout.PREFERRED_SIZE))
.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)))
.addComponent(jLabel2)))
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(131, 131, 131)
.addComponent(jButton1))
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(203, 203, 203)
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 136, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addContainerGap(164, Short.MAX_VALUE))
);
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)))
.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(43, 43, 43)
.addComponent(jButton1)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 242, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap(23, 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 Matriz 1 , Matriz 2"+aux1+(m1.suma(m2)).toString());
}

public Matriz m1;
public Matriz m2;
// Variables declaration - do not modify
private javax.swing.JButton jButton1;
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

}
RESULTADOS: