Class TrapezoidIntegrator
java.lang.Object
org.apache.commons.math.ConvergingAlgorithmImpl
org.apache.commons.math.analysis.integration.UnivariateRealIntegratorImpl
org.apache.commons.math.analysis.integration.TrapezoidIntegrator
- All Implemented Interfaces:
UnivariateRealIntegrator,ConvergingAlgorithm
Implements the
Trapezoidal Rule for integration of real univariate functions. For
reference, see Introduction to Numerical Analysis, ISBN 038795452X,
chapter 3.
The function should be integrable.
- Since:
- 1.2
- Version:
- $Revision: 1070725 $ $Date: 2011-02-15 02:31:12 +0100 (mar. 15 févr. 2011) $
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Field Summary
Fields inherited from class org.apache.commons.math.analysis.integration.UnivariateRealIntegratorImpl
defaultMinimalIterationCount, f, minimalIterationCount, result, resultComputedFields inherited from class org.apache.commons.math.ConvergingAlgorithmImpl
absoluteAccuracy, defaultAbsoluteAccuracy, defaultMaximalIterationCount, defaultRelativeAccuracy, iterationCount, maximalIterationCount, relativeAccuracy -
Constructor Summary
ConstructorsConstructorDescriptionConstruct an integrator.Deprecated. -
Method Summary
Modifier and TypeMethodDescriptiondoubleintegrate(double min, double max) Deprecated.doubleintegrate(UnivariateRealFunction f, double min, double max) Integrate the function in the given interval.protected voidVerifies that the upper and lower limits of iterations are valid.Methods inherited from class org.apache.commons.math.analysis.integration.UnivariateRealIntegratorImpl
clearResult, getMinimalIterationCount, getResult, resetMinimalIterationCount, setMinimalIterationCount, setResult, verifyIntervalMethods inherited from class org.apache.commons.math.ConvergingAlgorithmImpl
getAbsoluteAccuracy, getIterationCount, getMaximalIterationCount, getRelativeAccuracy, incrementIterationsCounter, resetAbsoluteAccuracy, resetIterationsCounter, resetMaximalIterationCount, resetRelativeAccuracy, setAbsoluteAccuracy, setMaximalIterationCount, setRelativeAccuracyMethods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitMethods inherited from interface org.apache.commons.math.ConvergingAlgorithm
getAbsoluteAccuracy, getIterationCount, getMaximalIterationCount, getRelativeAccuracy, resetAbsoluteAccuracy, resetMaximalIterationCount, resetRelativeAccuracy, setAbsoluteAccuracy, setMaximalIterationCount, setRelativeAccuracy
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Constructor Details
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TrapezoidIntegrator
Deprecated.as of 2.0 the integrand function is passed as an argument to theintegrate(UnivariateRealFunction, double, double)method.Construct an integrator for the given function.- Parameters:
f- function to integrate
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TrapezoidIntegrator
public TrapezoidIntegrator()Construct an integrator.
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Method Details
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integrate
@Deprecated public double integrate(double min, double max) throws MaxIterationsExceededException, FunctionEvaluationException, IllegalArgumentException Deprecated.Integrate the function in the given interval.- Parameters:
min- the lower bound for the intervalmax- the upper bound for the interval- Returns:
- the value of integral
- Throws:
FunctionEvaluationException- if an error occurs evaluating the functionIllegalArgumentException- if min > max or the endpoints do not satisfy the requirements specified by the integratorMaxIterationsExceededException
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integrate
public double integrate(UnivariateRealFunction f, double min, double max) throws MaxIterationsExceededException, FunctionEvaluationException, IllegalArgumentException Integrate the function in the given interval.- Parameters:
f- the integrand functionmin- the lower bound for the intervalmax- the upper bound for the interval- Returns:
- the value of integral
- Throws:
FunctionEvaluationException- if an error occurs evaluating the functionIllegalArgumentException- if min > max or the endpoints do not satisfy the requirements specified by the integratorMaxIterationsExceededException
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verifyIterationCount
Verifies that the upper and lower limits of iterations are valid.- Overrides:
verifyIterationCountin classUnivariateRealIntegratorImpl- Throws:
IllegalArgumentException- if not valid
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integrate(UnivariateRealFunction, double, double)method.