本文整理汇总了Java中org.apache.commons.math3.ode.nonstiff.AdamsBashforthIntegrator类的典型用法代码示例。如果您正苦于以下问题：Java AdamsBashforthIntegrator类的具体用法？Java AdamsBashforthIntegrator怎么用？Java AdamsBashforthIntegrator使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
AdamsBashforthIntegrator类属于org.apache.commons.math3.ode.nonstiff包，在下文中一共展示了AdamsBashforthIntegrator类的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: derivativesConsistency
import org.apache.commons.math3.ode.nonstiff.AdamsBashforthIntegrator; //导入依赖的package包/类
@Test
public void derivativesConsistency()
throws NumberIsTooSmallException, DimensionMismatchException,
MaxCountExceededException, NoBracketingException {
TestProblem3 pb = new TestProblem3();
AdamsBashforthIntegrator integ = new AdamsBashforthIntegrator(4, 0.0, 1.0, 1.0e-10, 1.0e-10);
StepInterpolatorTestUtils.checkDerivativesConsistency(integ, pb, 5e-9);
}
示例2: AdamsBashforthSolver
import org.apache.commons.math3.ode.nonstiff.AdamsBashforthIntegrator; //导入依赖的package包/类
public AdamsBashforthSolver(final int nSteps, final double minStep, final double maxStep,
final double scalAbsoluteTolerance, final double scalRelativeTolerance,
final GamaMap<String, IList<Double>> integrated_val) {
super((minStep + maxStep) / 2,
new AdamsBashforthIntegrator(nSteps, minStep, maxStep, scalAbsoluteTolerance, scalRelativeTolerance),
integrated_val);
}
示例3: serialization
import org.apache.commons.math3.ode.nonstiff.AdamsBashforthIntegrator; //导入依赖的package包/类
@Test
public void serialization()
throws IOException, ClassNotFoundException,
NumberIsTooSmallException, DimensionMismatchException,
MaxCountExceededException, NoBracketingException {
TestProblem1 pb = new TestProblem1();
AdamsBashforthIntegrator integ = new AdamsBashforthIntegrator(4, 0.0, 1.0, 1.0e-10, 1.0e-10);
integ.addStepHandler(new ContinuousOutputModel());
integ.integrate(pb,
pb.getInitialTime(), pb.getInitialState(),
pb.getFinalTime(), new double[pb.getDimension()]);
ByteArrayOutputStream bos = new ByteArrayOutputStream();
ObjectOutputStream oos = new ObjectOutputStream(bos);
for (StepHandler handler : integ.getStepHandlers()) {
oos.writeObject(handler);
}
Assert.assertTrue(bos.size () > 25500);
Assert.assertTrue(bos.size () < 26500);
ByteArrayInputStream bis = new ByteArrayInputStream(bos.toByteArray());
ObjectInputStream ois = new ObjectInputStream(bis);
ContinuousOutputModel cm = (ContinuousOutputModel) ois.readObject();
Random random = new Random(347588535632l);
double maxError = 0.0;
for (int i = 0; i < 1000; ++i) {
double r = random.nextDouble();
double time = r * pb.getInitialTime() + (1.0 - r) * pb.getFinalTime();
cm.setInterpolatedTime(time);
double[] interpolatedY = cm.getInterpolatedState ();
double[] theoreticalY = pb.computeTheoreticalState(time);
double dx = interpolatedY[0] - theoreticalY[0];
double dy = interpolatedY[1] - theoreticalY[1];
double error = dx * dx + dy * dy;
if (error > maxError) {
maxError = error;
}
}
Assert.assertTrue(maxError < 1.0e-6);
}