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java.lang.Objectorg.apache.commons.math.ode.TestProblemAbstract
org.apache.commons.math.ode.TestProblem1
public class TestProblem1
This class is used in the junit tests for the ODE integrators.
This specific problem is the following differential equation :
y' = -ythe solution of this equation is a simple exponential function :
y (t) = y (t0) exp (t0-t)
Field Summary |
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Fields inherited from class org.apache.commons.math.ode.TestProblemAbstract |
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calls, errorScale, n, t0, t1, y0 |
Constructor Summary | |
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TestProblem1()
Simple constructor. |
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TestProblem1(TestProblem1 problem)
Copy constructor. |
Method Summary | |
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double[] |
computeTheoreticalState(double t)
Compute the theoretical state at the specified time. |
TestProblem1 |
copy()
Copy operation. |
void |
doComputeDerivatives(double t,
double[] y,
double[] yDot)
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Methods inherited from class org.apache.commons.math.ode.TestProblemAbstract |
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computeDerivatives, getCalls, getDimension, getErrorScale, getEventsHandlers, getFinalTime, getInitialState, getInitialTime, setErrorScale, setFinalConditions, setInitialConditions |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public TestProblem1()
public TestProblem1(TestProblem1 problem)
problem
- problem to copyMethod Detail |
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public TestProblem1 copy()
copy
in class TestProblemAbstract
public void doComputeDerivatives(double t, double[] y, double[] yDot)
doComputeDerivatives
in class TestProblemAbstract
public double[] computeTheoreticalState(double t)
TestProblemAbstract
computeTheoreticalState
in class TestProblemAbstract
t
- time at which the state is required
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