List of addStepHandler() Examples

Examples of addStepHandler()

org.apache.commons.math.ode.FirstOrderIntegrator.addStepHandler()
org.apache.commons.math.ode.nonstiff.AdamsBashforthIntegrator.addStepHandler()
org.apache.commons.math.ode.nonstiff.ClassicalRungeKuttaIntegrator.addStepHandler()
org.apache.commons.math.ode.nonstiff.DormandPrince54Integrator.addStepHandler()
org.apache.commons.math.ode.nonstiff.DormandPrince853Integrator.addStepHandler()
org.apache.commons.math.ode.nonstiff.EmbeddedRungeKuttaIntegrator.addStepHandler()
org.apache.commons.math.ode.nonstiff.EulerIntegrator.addStepHandler()
org.apache.commons.math.ode.nonstiff.GillIntegrator.addStepHandler()
org.apache.commons.math.ode.nonstiff.GraggBulirschStoerIntegrator.addStepHandler()
{@inheritDoc}
org.apache.commons.math.ode.nonstiff.HighamHall54Integrator.addStepHandler()
org.apache.commons.math.ode.nonstiff.MidpointIntegrator.addStepHandler()
org.apache.commons.math.ode.nonstiff.ThreeEighthesIntegrator.addStepHandler()
org.apache.commons.math3.ode.FirstOrderIntegrator.addStepHandler()
Add a step handler to this integrator.
The handler will be called by the integrator for each accepted step.
@param handler handler for the accepted steps @see #getStepHandlers() @see #clearStepHandlers() @since 2.0
org.apache.commons.math3.ode.nonstiff.AdamsBashforthIntegrator.addStepHandler()
Add a step handler to this integrator.
The handler will be called by the integrator for each accepted step.
@param handler handler for the accepted steps @see #getStepHandlers() @see #clearStepHandlers() @since 2.0
org.apache.commons.math3.ode.nonstiff.DormandPrince853Integrator.addStepHandler()
Add a step handler to this integrator.
The handler will be called by the integrator for each accepted step.
@param handler handler for the accepted steps @see #getStepHandlers() @see #clearStepHandlers() @since 2.0
org.apache.commons.math3.ode.nonstiff.GraggBulirschStoerIntegrator.addStepHandler()
{@inheritDoc}

Examples of org.apache.commons.math.ode.FirstOrderIntegrator.addStepHandler()


      FirstOrderIntegrator integ = new DormandPrince54Integrator(minStep, maxStep,
                                                                 vecAbsoluteTolerance,
                                                                 vecRelativeTolerance);
      TestProblemHandler handler = new TestProblemHandler(pb, integ);
      integ.addStepHandler(handler);
      integ.integrate(pb,
                      pb.getInitialTime(), pb.getInitialState(),
                      pb.getFinalTime(), new double[pb.getDimension()]);
      fail("an exception should have been thrown");
    } catch(DerivativeException de) {

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Examples of org.apache.commons.math.ode.FirstOrderIntegrator.addStepHandler()


      FirstOrderIntegrator integ = new DormandPrince54Integrator(minStep, maxStep,
                                                                 scalAbsoluteTolerance,
                                                                 scalRelativeTolerance);
      TestProblemHandler handler = new TestProblemHandler(pb, integ);
      integ.addStepHandler(handler);
      integ.integrate(pb, pb.getInitialTime(), pb.getInitialState(),
                      pb.getFinalTime(), new double[pb.getDimension()]);


      assertTrue(handler.getLastError() < 2.0e-7);
      assertTrue(handler.getMaximalValueError() < 2.0e-7);

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Examples of org.apache.commons.math.ode.FirstOrderIntegrator.addStepHandler()


    FirstOrderIntegrator integ = new DormandPrince54Integrator(minStep, maxStep,
                                                               scalAbsoluteTolerance,
                                                               scalRelativeTolerance);
    TestProblemHandler handler = new TestProblemHandler(pb, integ);
    integ.addStepHandler(handler);
    EventHandler[] functions = pb.getEventsHandlers();
    for (int l = 0; l < functions.length; ++l) {
      integ.addEventHandler(functions[l],
                                 Double.POSITIVE_INFINITY, 1.0e-8 * maxStep, 1000);
    }

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Examples of org.apache.commons.math.ode.FirstOrderIntegrator.addStepHandler()

    double scalRelativeTolerance = scalAbsoluteTolerance;


    FirstOrderIntegrator integ = new DormandPrince54Integrator(minStep, maxStep,
                                                               scalAbsoluteTolerance,
                                                               scalRelativeTolerance);
    integ.addStepHandler(new KeplerHandler(pb));
    integ.integrate(pb,
                    pb.getInitialTime(), pb.getInitialState(),
                    pb.getFinalTime(), new double[pb.getDimension()]);


    assertEquals(integ.getEvaluations(), pb.getCalls());

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Examples of org.apache.commons.math.ode.FirstOrderIntegrator.addStepHandler()

    double scalRelativeTolerance = scalAbsoluteTolerance;


    FirstOrderIntegrator integ = new DormandPrince54Integrator(minStep, maxStep,
                                                               scalAbsoluteTolerance,
                                                               scalRelativeTolerance);
    integ.addStepHandler(new VariableHandler());
    double stopTime = integ.integrate(pb, pb.getInitialTime(), pb.getInitialState(),
                                      pb.getFinalTime(), new double[pb.getDimension()]);
    assertEquals(pb.getFinalTime(), stopTime, 1.0e-10);
  }

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Examples of org.apache.commons.math.ode.FirstOrderIntegrator.addStepHandler()


      FirstOrderIntegrator integ = new DormandPrince853Integrator(minStep, maxStep,
                                                                  vecAbsoluteTolerance,
                                                                  vecRelativeTolerance);
      TestProblemHandler handler = new TestProblemHandler(pb, integ);
      integ.addStepHandler(handler);
      integ.integrate(pb,
                      pb.getInitialTime(), pb.getInitialState(),
                      pb.getFinalTime(), new double[pb.getDimension()]);
      fail("an exception should have been thrown");
    } catch(DerivativeException de) {

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Examples of org.apache.commons.math.ode.FirstOrderIntegrator.addStepHandler()


      FirstOrderIntegrator integ = new DormandPrince853Integrator(minStep, maxStep,
                                                                  scalAbsoluteTolerance,
                                                                  scalRelativeTolerance);
      TestProblemHandler handler = new TestProblemHandler(pb, integ);
      integ.addStepHandler(handler);
      integ.integrate(pb,
                      pb.getInitialTime(), pb.getInitialState(),
                      pb.getFinalTime(), new double[pb.getDimension()]);


      // the 1.3 factor is only valid for this test

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Examples of org.apache.commons.math.ode.FirstOrderIntegrator.addStepHandler()


      FirstOrderIntegrator integ = new DormandPrince853Integrator(minStep, maxStep,
                                                                  scalAbsoluteTolerance,
                                                                  scalRelativeTolerance);
      TestProblemHandler handler = new TestProblemHandler(pb, integ);
      integ.addStepHandler(handler);
      integ.integrate(pb, pb.getInitialTime(), pb.getInitialState(),
                      pb.getFinalTime(), new double[pb.getDimension()]);


      assertTrue(handler.getLastError() < 8.1e-8);
      assertTrue(handler.getMaximalValueError() < 1.1e-7);

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Examples of org.apache.commons.math.ode.FirstOrderIntegrator.addStepHandler()


    FirstOrderIntegrator integ = new DormandPrince853Integrator(minStep, maxStep,
                                                                scalAbsoluteTolerance,
                                                                scalRelativeTolerance);
    TestProblemHandler handler = new TestProblemHandler(pb, integ);
    integ.addStepHandler(handler);
    EventHandler[] functions = pb.getEventsHandlers();
    for (int l = 0; l < functions.length; ++l) {
      integ.addEventHandler(functions[l],
                                 Double.POSITIVE_INFINITY, 1.0e-8 * maxStep, 1000);
    }

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Examples of org.apache.commons.math.ode.FirstOrderIntegrator.addStepHandler()

    double scalRelativeTolerance = scalAbsoluteTolerance;


    FirstOrderIntegrator integ = new DormandPrince853Integrator(minStep, maxStep,
                                                                scalAbsoluteTolerance,
                                                                scalRelativeTolerance);
    integ.addStepHandler(new KeplerHandler(pb));
    integ.integrate(pb,
                    pb.getInitialTime(), pb.getInitialState(),
                    pb.getFinalTime(), new double[pb.getDimension()]);


    assertEquals(integ.getEvaluations(), pb.getCalls());

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