Package ptolemy.matlab

Examples of ptolemy.matlab.Engine

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@Pt.ProposedRating Red (cxh)
@Pt.AcceptedRating Red (cxh)
*/
public class TestEngine {
    public static void main(String[] args) throws IllegalActionException {
        Engine eng = new Engine();
        eng.setDebugging((byte) 0);

        long[] engineHandle = eng.open();
        eng.evalString(engineHandle, "clear");

        DoubleMatrixToken tx = new DoubleMatrixToken(
                new double[][] { { 1, 2, 3 } });
        System.out.println("\nNote: All data output is via "
                + "Token.toString() on tokens");
        System.out.println("that are put/get from the matlab engineHandle.");
        System.out.println("\nCreate 1x3 double matrix x:");
        eng.put(engineHandle, "x", tx);
        System.out.println("x = " + tx.toString());
        System.out.println("Eval: y = x.*x;");
        eng.evalString(engineHandle, "y = x.*x;");

        DoubleMatrixToken ty = (DoubleMatrixToken) eng.get(engineHandle, "y");
        System.out.println("y = " + ty.toString());

        System.out.println("\nCreate 2x3 double matrix x:");
        tx = new DoubleMatrixToken(new double[][] { { 1, 2, 3 }, { 4, 5, 6 } });
        eng.put(engineHandle, "x", tx);
        System.out.println("x = " + tx.toString());
        System.out.println("Eval: y = x.*x;");
        eng.evalString(engineHandle, "y = x.*x;");
        ty = (DoubleMatrixToken) eng.get(engineHandle, "y");
        System.out.println("y = " + ty.toString());

        System.out.println("\nEval: z = exp(j*pi/2*x);");
        eng.evalString(engineHandle, "z = exp(j*pi/2*x);");

        ComplexMatrixToken tz = (ComplexMatrixToken) eng.get(engineHandle, "z");
        System.out.println("z = " + tz.toString());

        System.out.println("\nEval: w = z';");
        eng.evalString(engineHandle, "w = z';");

        ComplexMatrixToken tw = (ComplexMatrixToken) eng.get(engineHandle, "w");
        System.out.println("w = " + tw.toString());

        System.out.println("\nCreate 1xn string s:");

        StringToken ts = new StringToken("a string");
        System.out.println("s = " + ts.toString());
        eng.put(engineHandle, "s", ts);
        System.out.println("\nEval: rc = [s;s];");
        eng.evalString(engineHandle, "rc = [s;s];");

        Token ta = eng.get(engineHandle, "rc");
        System.out.println("rc = " + ta.toString());

        System.out.println("\nCreate 2xn string s:");
        ta = new ArrayToken(new Token[] { new StringToken("str one"),
                new StringToken("str two") });
        System.out.println("s = " + ta.toString());
        eng.put(engineHandle, "s", ta);
        System.out.println("\nEval: rr = [s,s];");
        eng.evalString(engineHandle, "rr = [s,s];");
        ta = eng.get(engineHandle, "rr");
        System.out.println("rr = " + ta.toString());

        System.out.println("\nCreate 1x1 struct r (RecordToken):");

        RecordToken tr = new RecordToken(new String[] { "x", "r", "s" },
                new Token[] {
                        tx,
                        new RecordToken(new String[] { "a" },
                                new Token[] { new IntToken() }), ts });
        System.out.println("r = " + tr.toString());
        eng.put(engineHandle, "r", tr);

        Token t = eng.get(engineHandle, "r");
        System.out.println("\nRead back 1x1 struct r into RecordToken t:");
        System.out.println("t = " + t.toString());

        System.out.println("\nEval: ta = [r,r,r;r,r,r];");
        eng.evalString(engineHandle, "ta = [r,r,r;r,r,r];");
        t = eng.get(engineHandle, "ta");
        System.out.println("\nRead 2x3 struct ta into ArrayToken "
                + "of ArrayToken of RecordTokens:");
        System.out.println("ta = " + t.toString());

        System.out.println("\nCreate 1x3 cell array from ta, "
                + "an ArrayToken of RecordTokens:");

        RecordToken r1 = new RecordToken(new String[] { "a" },
                new Token[] { new ComplexMatrixToken(new Complex[][] { {
                        new Complex(1.0, 1.0), new Complex(2.0, 2.0) } }) });
        RecordToken r2 = new RecordToken(new String[] { "a" },
                new Token[] { new ComplexMatrixToken(new Complex[][] { {
                        new Complex(3.0, 3.0), new Complex(4.0, 4.0) } }) });
        RecordToken r3 = new RecordToken(new String[] { "a" },
                new Token[] { new ComplexMatrixToken(new Complex[][] { {
                        new Complex(5.0, 5.0), new Complex(6.0, 6.0) } }) });
        ta = new ArrayToken(new Token[] { r1, r2, r3 });
        System.out.println("ta = " + ta.toString());
        eng.put(engineHandle, "ta", ta);
        eng.evalString(engineHandle, "tb = ta;");
        ta = eng.get(engineHandle, "tb");
        System.out.println("\nRead 1x3 cell array back into tb:");
        System.out.println("tb = " + ta.toString());

        eng.close(engineHandle);
    }
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Related Classes of ptolemy.matlab.Engine

  • ptolemy.data.ArrayToken
  • ptolemy.data.ComplexMatrixToken
  • ptolemy.data.ComplexToken
  • ptolemy.data.DoubleMatrixToken
  • ptolemy.data.DoubleToken
  • ptolemy.data.IntMatrixToken
  • ptolemy.data.IntToken
  • ptolemy.data.RecordToken
  • ptolemy.data.StringToken
  • ptolemy.data.Token
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