Class FunctionExpander.ChebyshevForest

java.lang.Object

com.github.gbenroscience.math.numericalmethods.FunctionExpander.ChebyshevForest

Enclosing class:

FunctionExpander

public static final class FunctionExpander.ChebyshevForest
extends Object

High-precision Piecewise Chebyshev approximation engine. Optimized for ParserNG Turbo engine.

Author:

GBEMIRO

Constructor Summary

Constructors

Constructor	Description
ChebyshevForest()

Method Summary

Modifier and Type	Method	Description
void	build(Function function, double a, double b)
void	build(MethodHandle function, double a, double b)
double	derivative(double x)
double	evaluate(double x)
double	integrate()	The global integral sum using Kahan Summation.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ChebyshevForest

public ChebyshevForest()

Method Details

build

public void build(MethodHandle function,
 double a,
 double b)
           throws Throwable

Throws:

Throwable

build

public void build(Function function,
 double a,
 double b)
           throws Throwable

Throws:

Throwable

integrate

public double integrate()

The global integral sum using Kahan Summation.

derivative

public double derivative(double x)

evaluate

public double evaluate(double x)