Examples of org.apache.commons.math3.analysis.function.Sin

Package org.apache.commons.math3.analysis.function

Examples of org.apache.commons.math3.analysis.function.Sin

org.apache.commons.math3.analysis.function.Sin
Sine function. @since 3.0

    /**
     * Test of parameters for the integrator.
     */
    @Test
    public void testParameters() {
        UnivariateFunction f = new Sin();


        try {
            // bad interval
            new MidPointIntegrator().integrate(1000, f, 1, -1);
            Assert.fail("Expecting NumberIsTooLargeException - bad interval");

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    protected UnivariateFunction[] createFunctions() {
        return new UnivariateFunction[] {
            new Power(2.0), new Exp(), new Expm1(), new Log(), new Log10(),
            new Log1p(), new Cosh(), new Sinh(), new Tanh(), new Cos(),
            new Sin(), new Tan(), new Acos(), new Asin(), new Atan(),
            new Inverse(), new Abs(), new Sqrt(), new Cbrt(), new Ceil(),
            new Floor(), new Rint(), new Signum(), new Ulp()
        };
    }

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public class IterativeLegendreGaussIntegratorTest {


    @Test
    public void testSinFunction() {
        UnivariateFunction f = new Sin();
        BaseAbstractUnivariateIntegrator integrator
            = new IterativeLegendreGaussIntegrator(5, 1.0e-14, 1.0e-10, 2, 15);
        double min, max, expected, result, tolerance;


        min = 0; max = FastMath.PI; expected = 2;

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    /**
     * Test of transformer for the sine function.
     */
    @Test
    public void testSinFunction() {
        UnivariateFunction f = new Sin();
        FastSineTransformer transformer;
        transformer = new FastSineTransformer(DstNormalization.STANDARD_DST_I);
        double min, max, result[], tolerance = 1E-12; int N = 1 << 8;


        min = 0.0; max = 2.0 * FastMath.PI;

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    /**
     * Test of parameters for the transformer.
     */
    @Test
    public void testParameters() throws Exception {
        UnivariateFunction f = new Sin();
        FastSineTransformer transformer;
        transformer = new FastSineTransformer(DstNormalization.STANDARD_DST_I);


        try {
            // bad interval

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            }
            return v;
        } else if (c.isAssignableFrom(RealVector.class)) {
            return createVector();
        } else if (c.isAssignableFrom(UnivariateFunction.class)) {
            return new Sin();
        } else {
            throw new IllegalArgumentException("could not create " + c);
        }
    }

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    private UnivariateFunction[] createFunctions() {
        return new UnivariateFunction[] {
            new Power(2.0), new Exp(), new Expm1(), new Log(), new Log10(),
            new Log1p(), new Cosh(), new Sinh(), new Tanh(), new Cos(),
            new Sin(), new Tan(), new Acos(), new Asin(), new Atan(),
            new Inverse(), new Abs(), new Sqrt(), new Cbrt(), new Ceil(),
            new Floor(), new Rint(), new Signum(), new Ulp()
        };
    }

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            }
            return v;
        } else if (c.isAssignableFrom(RealVector.class)) {
            return createVector();
        } else if (c.isAssignableFrom(UnivariateFunction.class)) {
            return new Sin();
        } else {
            throw new IllegalArgumentException("could not create " + c);
        }
    }

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    @Test
    public void testSeveralFreeParameters() {
        FiniteDifferencesDifferentiator differentiator =
                new FiniteDifferencesDifferentiator(5, 0.001);
        UnivariateDifferentiableFunction sine = new Sin();
        UnivariateDifferentiableFunction f =
                differentiator.differentiate(sine);
        double[] expectedError = new double[] {
            6.696e-16, 1.371e-12, 2.007e-8, 1.754e-5
        };
        double[] maxError = new double[expectedError.length];
       for (double x = -2; x < 2; x += 0.1) {
           for (double y = -2; y < 2; y += 0.1) {
               DerivativeStructure dsX  = new DerivativeStructure(2, maxError.length - 1, 0, x);
               DerivativeStructure dsY  = new DerivativeStructure(2, maxError.length - 1, 1, y);
               DerivativeStructure dsT  = dsX.multiply(3).subtract(dsY.multiply(2));
               DerivativeStructure sRef = sine.value(dsT);
               DerivativeStructure s    = f.value(dsT);
               for (int xOrder = 0; xOrder <= sRef.getOrder(); ++xOrder) {
                   for (int yOrder = 0; yOrder <= sRef.getOrder(); ++yOrder) {
                       if (xOrder + yOrder <= sRef.getOrder()) {
                           maxError[xOrder +yOrder] = FastMath.max(maxError[xOrder + yOrder],

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    /** Test of parameters for the transformer. */
    @Test
    public void testParameters()
        throws Exception {
        UnivariateFunction f = new Sin();
        FastCosineTransformer transformer;
        transformer = new FastCosineTransformer(DctNormalization.STANDARD_DCT_I);


        try {
            // bad interval

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Related Classes of org.apache.commons.math3.analysis.function.Sin

org.apache.commons.math3.analysis.differentiation.DerivativeStructure

org.apache.commons.math3.analysis.differentiation.MultivariateDifferentiableVectorFunction

org.apache.commons.math3.analysis.function.HarmonicOscillator

org.apache.commons.math3.analysis.function.Sin

org.apache.commons.math3.analysis.function.Sinc

org.apache.commons.math3.analysis.FunctionUtilsTest

org.apache.commons.math3.analysis.integration.IterativeLegendreGaussIntegratorTest

org.apache.commons.math3.analysis.integration.MidPointIntegratorTest

org.apache.commons.math3.analysis.integration.RombergIntegratorTest

org.apache.commons.math3.analysis.integration.SimpsonIntegratorTest

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