MATLAB BUILDER JA 2 User's Guide download pdf (Page 234)

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101

5 Sample Applications (Java)

The program listing is shown here.

createplot.java

/* createplot.java

* This file is used as an example for the MATLAB

* Builder for Java product.

/* Necessary package imports */

import com.mathworks.toolbox.javabuilder.*;

import plotdemo.*;

* createplot class demonstrates plotting x-y data into

* a MATLAB figure window by graphing a simple parabola.

class createplot

{

public static void main(String[] args)

{

MWNumericArray x = null; /* Array of x values */

MWNumericArray y = null; /* Array of y values */

plotter thePlot = null; /* Plotter class instance */

int n = 20; /* Number of points to plot */

try

{

/* Allocate arrays for x and y values */

int[] dims = {1, n};

x = MWNumericArray.newInstance(dims,

MWClassID.DOUBLE, MWComplexity.REAL);

y = MWNumericArray.newInstance(dims,

MWClassID.DOUBLE, MWComplexity.REAL);

/* Set values so that y = x^2 */

for (int i = 1; i <= n; i++)

{

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MATLAB BUILDER JA 2 User's Guide Page 234

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