Package org.apache.commons.math.ode

Examples of org.apache.commons.math.ode.EulerStepInterpolator.reinitialize()

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  public void testNoReset() {

    double[]   y    =   { 0.0, 1.0, -2.0 };
    double[][] yDot = { { 1.0, 2.0, -2.0 } };
    EulerStepInterpolator interpolator = new EulerStepInterpolator();
    interpolator.reinitialize(new DummyEquations(), y, yDot, true);
    interpolator.storeTime(0);
    interpolator.shift();
    interpolator.storeTime(1);

    double[] result = interpolator.getInterpolatedState();
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    double[] y0 = {0.0, 1.0, -2.0};

    double[] y = (double[]) y0.clone();
    double[][] yDot = { new double[y0.length] };
    EulerStepInterpolator interpolator = new EulerStepInterpolator();
    interpolator.reinitialize(new DummyEquations(), y, yDot, true);
    interpolator.storeTime(t0);

    double dt = 1.0;
    y[0] =  1.0;
    y[1] =  3.0;
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    throws DerivativeException {

    double[]   y    =   { 1.0, 3.0, -4.0 };
    double[][] yDot = { { 1.0, 2.0, -2.0 } };
    EulerStepInterpolator interpolator = new EulerStepInterpolator();
    interpolator.reinitialize(new DummyEquations(), y, yDot, true);
    interpolator.storeTime(0);
    interpolator.shift();
    interpolator.storeTime(1);

    interpolator.setInterpolatedTime(0.1);
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