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java.lang.Objectorg.apache.commons.math.ConvergingAlgorithmImpl
org.apache.commons.math.analysis.solvers.UnivariateRealSolverImpl
org.apache.commons.math.analysis.solvers.NewtonSolver
public class NewtonSolver
Implements Newton's Method for finding zeros of real univariate functions.
The function should be continuous but not necessarily smooth.
| Field Summary |
|---|
| Fields inherited from class org.apache.commons.math.analysis.solvers.UnivariateRealSolverImpl |
|---|
defaultFunctionValueAccuracy, f, functionValue, functionValueAccuracy, result, resultComputed |
| Fields inherited from class org.apache.commons.math.ConvergingAlgorithmImpl |
|---|
absoluteAccuracy, defaultAbsoluteAccuracy, defaultMaximalIterationCount, defaultRelativeAccuracy, iterationCount, maximalIterationCount, relativeAccuracy |
| Constructor Summary | |
|---|---|
NewtonSolver()
Deprecated. in 2.2 (to be removed in 3.0). |
|
NewtonSolver(DifferentiableUnivariateRealFunction f)
Deprecated. as of 2.0 the function to solve is passed as an argument to the solve(UnivariateRealFunction, double, double) or
UnivariateRealSolver.solve(UnivariateRealFunction, double, double, double)
method. |
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| Method Summary | |
|---|---|
double |
solve(double min,
double max)
Deprecated. |
double |
solve(double min,
double max,
double startValue)
Deprecated. |
double |
solve(int maxEval,
UnivariateRealFunction f,
double min,
double max)
Find a zero near the midpoint of min and max. |
double |
solve(int maxEval,
UnivariateRealFunction f,
double min,
double max,
double startValue)
Find a zero near the value startValue. |
double |
solve(UnivariateRealFunction f,
double min,
double max)
Deprecated. in 2.2 (to be removed in 3.0). |
double |
solve(UnivariateRealFunction f,
double min,
double max,
double startValue)
Deprecated. in 2.2 (to be removed in 3.0). |
| Methods inherited from class org.apache.commons.math.analysis.solvers.UnivariateRealSolverImpl |
|---|
checkResultComputed, clearResult, getFunctionValue, getFunctionValueAccuracy, getResult, isBracketing, isSequence, resetFunctionValueAccuracy, setFunctionValueAccuracy, setResult, setResult, verifyBracketing, verifyInterval, verifySequence |
| Methods inherited from class org.apache.commons.math.ConvergingAlgorithmImpl |
|---|
getAbsoluteAccuracy, getIterationCount, getMaximalIterationCount, getRelativeAccuracy, incrementIterationsCounter, resetAbsoluteAccuracy, resetIterationsCounter, resetMaximalIterationCount, resetRelativeAccuracy, setAbsoluteAccuracy, setMaximalIterationCount, setRelativeAccuracy |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Methods inherited from interface org.apache.commons.math.ConvergingAlgorithm |
|---|
getAbsoluteAccuracy, getIterationCount, getMaximalIterationCount, getRelativeAccuracy, resetAbsoluteAccuracy, resetMaximalIterationCount, resetRelativeAccuracy, setAbsoluteAccuracy, setMaximalIterationCount, setRelativeAccuracy |
| Constructor Detail |
|---|
@Deprecated public NewtonSolver(DifferentiableUnivariateRealFunction f)
solve(UnivariateRealFunction, double, double) or
UnivariateRealSolver.solve(UnivariateRealFunction, double, double, double)
method.
f - function to solve.@Deprecated public NewtonSolver()
| Method Detail |
|---|
@Deprecated
public double solve(double min,
double max)
throws MaxIterationsExceededException,
FunctionEvaluationException
A solver may require that the interval brackets a single zero root. Solvers that do require bracketing should be able to handle the case where one of the endpoints is itself a root.
min - the lower bound for the interval.max - the upper bound for the interval.
FunctionEvaluationException - if an error occurs evaluating the function
MaxIterationsExceededException
@Deprecated
public double solve(double min,
double max,
double startValue)
throws MaxIterationsExceededException,
FunctionEvaluationException
A solver may require that the interval brackets a single zero root. Solvers that do require bracketing should be able to handle the case where one of the endpoints is itself a root.
min - the lower bound for the interval.max - the upper bound for the interval.startValue - the start value to use
FunctionEvaluationException - if an error occurs evaluating the function
MaxIterationsExceededException
public double solve(int maxEval,
UnivariateRealFunction f,
double min,
double max)
throws MaxIterationsExceededException,
FunctionEvaluationException
min and max.
solve in class UnivariateRealSolverImplf - the function to solvemin - the lower bound for the intervalmax - the upper bound for the intervalmaxEval - Maximum number of evaluations.
MaxIterationsExceededException - if the maximum iteration count is exceeded
FunctionEvaluationException - if an error occurs evaluating the function or derivative
IllegalArgumentException - if min is not less than max
@Deprecated
public double solve(UnivariateRealFunction f,
double min,
double max)
throws MaxIterationsExceededException,
FunctionEvaluationException
min and max.
f - the function to solvemin - the lower bound for the intervalmax - the upper bound for the interval
MaxIterationsExceededException - if the maximum iteration count is exceeded
FunctionEvaluationException - if an error occurs evaluating the function or derivative
IllegalArgumentException - if min is not less than max
public double solve(int maxEval,
UnivariateRealFunction f,
double min,
double max,
double startValue)
throws MaxIterationsExceededException,
FunctionEvaluationException
startValue.
solve in class UnivariateRealSolverImplf - the function to solvemin - the lower bound for the interval (ignored).max - the upper bound for the interval (ignored).startValue - the start value to use.maxEval - Maximum number of evaluations.
MaxIterationsExceededException - if the maximum iteration count is exceeded
FunctionEvaluationException - if an error occurs evaluating the function or derivative
IllegalArgumentException - if startValue is not between min and max or
if function is not a DifferentiableUnivariateRealFunction instance
@Deprecated
public double solve(UnivariateRealFunction f,
double min,
double max,
double startValue)
throws MaxIterationsExceededException,
FunctionEvaluationException
startValue.
f - the function to solvemin - the lower bound for the interval (ignored).max - the upper bound for the interval (ignored).startValue - the start value to use.
MaxIterationsExceededException - if the maximum iteration count is exceeded
FunctionEvaluationException - if an error occurs evaluating the function or derivative
IllegalArgumentException - if startValue is not between min and max or
if function is not a DifferentiableUnivariateRealFunction instance
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