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Java Source Code / Java Documentation » Science » Apache commons math 1.1 » org.apache.commons.math.analysis   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.apache.commons.math.analysis.UnivariateRealSolverImpl       org.apache.commons.math.analysis.NewtonSolver NewtonSolver public class NewtonSolver extends UnivariateRealSolverImpl (Code) Implements Newton's Method for finding zeros of real univariate functions. The function should be continuous but not necessarily smooth. version:    $Revision: 348791 $ $Date: 2005-11-24 12:50:36 -0700 (Thu, 24 Nov 2005) $ Constructor Summary public   NewtonSolver(DifferentiableUnivariateRealFunction f)      Construct a solver for the given function. Method Summary public  double solve(double min, double max)      Find a zero near the midpoint of min and max. public  double solve(double min, double max, double startValue)      Find a zero near the value startValue. Parameters:   min - the lower bound for the interval (ignored). Parameters:   max - the upper bound for the interval (ignored). Parameters:   startValue - the start value to use. Constructor Detail NewtonSolver public NewtonSolver(DifferentiableUnivariateRealFunction f)(Code) Construct a solver for the given function. Parameters:   f - function to solve. Method Detail solve public double solve(double min, double max) throws ConvergenceException, FunctionEvaluationException(Code) Find a zero near the midpoint of min and max. Parameters:   min - the lower bound for the interval Parameters:   max - the upper bound for the interval the value where the function is zero throws:   ConvergenceException - if the maximum iteration count is exceeded throws:   FunctionEvaluationException - if an error occurs evaluating thefunction or derivative throws:   IllegalArgumentException - if min is not less than max solve public double solve(double min, double max, double startValue) throws ConvergenceException, FunctionEvaluationException(Code) Find a zero near the value startValue. Parameters:   min - the lower bound for the interval (ignored). Parameters:   max - the upper bound for the interval (ignored). Parameters:   startValue - the start value to use. the value where the function is zero throws:   ConvergenceException - if the maximum iteration count is exceeded throws:   FunctionEvaluationException - if an error occurs evaluating thefunction or derivative throws:   IllegalArgumentException - if startValue is not between min and max Fields inherited from org.apache.commons.math.analysis.UnivariateRealSolverImpl protected double absoluteAccuracy(Code)(Java Doc) protected double defaultAbsoluteAccuracy(Code)(Java Doc) protected double defaultFunctionValueAccuracy(Code)(Java Doc) protected int defaultMaximalIterationCount(Code)(Java Doc) protected double defaultRelativeAccuracy(Code)(Java Doc) protected UnivariateRealFunction f(Code)(Java Doc) protected double functionValueAccuracy(Code)(Java Doc) protected int iterationCount(Code)(Java Doc) protected int maximalIterationCount(Code)(Java Doc) protected double relativeAccuracy(Code)(Java Doc) protected double result(Code)(Java Doc) protected boolean resultComputed(Code)(Java Doc) Methods inherited from org.apache.commons.math.analysis.UnivariateRealSolverImpl final protected void clearResult()(Code)(Java Doc) public double getAbsoluteAccuracy()(Code)(Java Doc) public double getFunctionValueAccuracy()(Code)(Java Doc) public int getIterationCount()(Code)(Java Doc) public int getMaximalIterationCount()(Code)(Java Doc) public double getRelativeAccuracy()(Code)(Java Doc) public double getResult()(Code)(Java Doc) protected boolean isBracketing(double lower, double upper, UnivariateRealFunction f) throws FunctionEvaluationException(Code)(Java Doc) protected boolean isSequence(double start, double mid, double end)(Code)(Java Doc) public void resetAbsoluteAccuracy()(Code)(Java Doc) public void resetFunctionValueAccuracy()(Code)(Java Doc) public void resetMaximalIterationCount()(Code)(Java Doc) public void resetRelativeAccuracy()(Code)(Java Doc) public void setAbsoluteAccuracy(double accuracy)(Code)(Java Doc) public void setFunctionValueAccuracy(double accuracy)(Code)(Java Doc) public void setMaximalIterationCount(int count)(Code)(Java Doc) public void setRelativeAccuracy(double accuracy)(Code)(Java Doc) final protected void setResult(double result, int iterationCount)(Code)(Java Doc) protected void verifyBracketing(double lower, double upper, UnivariateRealFunction f) throws FunctionEvaluationException(Code)(Java Doc) protected void verifyInterval(double lower, double upper)(Code)(Java Doc) protected void verifySequence(double lower, double initial, double upper)(Code)(Java Doc) Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)