us.ihmc.utilities.math.dataStructures
Class Polynomial

java.lang.Object
  us.ihmc.utilities.math.dataStructures.Polynomial

public class Polynomial
extends java.lang.Object

Polynomial

Polynomial Function with real coefficients. Immuatable.

Copyright (c) 2008

IHMC-Yobotics

Version:

1.0

Author:

IHMC-Yobotics Biped Team

Constructor Summary

Polynomial(double constant)

Polynomial(double[] coefficientsHighOrderFirst)

Polynomial(double coefficient1, double constant)

Polynomial(double coefficient2, double coefficient1, double constant)

Polynomial(double coefficient3, double coefficient2, double coefficient1, double constant)

Method Summary

static Polynomial	constructFromComplexPairRoot(ComplexNumber oneComplexRoot)
static Polynomial	constructFromRealRoot(double realRoot)
static Polynomial	constructFromScaleFactorAndRoots(double scaleFactor, double[] realRoots, ComplexNumber[] complexRootPairs)
boolean	epsilonEquals(Polynomial polynomial, double epsilon)
boolean	equalsZero()
ComplexNumber	evaluate(ComplexNumber input)
double	evaluate(double input)
double[]	getCoefficients()
int	getOrder()
Polynomial	plus(Polynomial polynomial)
Polynomial	times(double multiplier)
Polynomial	times(Polynomial polynomialB)
java.lang.String	toString()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Polynomial

public Polynomial(double constant)

Polynomial

public Polynomial(double coefficient1,
                  double constant)

Polynomial

public Polynomial(double coefficient2,
                  double coefficient1,
                  double constant)

Polynomial

public Polynomial(double coefficient3,
                  double coefficient2,
                  double coefficient1,
                  double constant)

Polynomial

public Polynomial(double[] coefficientsHighOrderFirst)

Method Detail

constructFromComplexPairRoot

public static Polynomial constructFromComplexPairRoot(ComplexNumber oneComplexRoot)

constructFromRealRoot

public static Polynomial constructFromRealRoot(double realRoot)

constructFromScaleFactorAndRoots

public static Polynomial constructFromScaleFactorAndRoots(double scaleFactor,
                                                          double[] realRoots,
                                                          ComplexNumber[] complexRootPairs)

evaluate

public double evaluate(double input)

evaluate

public ComplexNumber evaluate(ComplexNumber input)

getOrder

public int getOrder()

getCoefficients

public double[] getCoefficients()

times

public Polynomial times(double multiplier)

times

public Polynomial times(Polynomial polynomialB)

plus

public Polynomial plus(Polynomial polynomial)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

epsilonEquals

public boolean epsilonEquals(Polynomial polynomial,
                             double epsilon)

equalsZero

public boolean equalsZero()