Package com.singularsys.extexamples.applets

Class Bern1D

java.lang.Object

com.singularsys.extexamples.applets.Bern1D

Direct Known Subclasses:

Bern1D.NegBern1D, Bern1D.PosBern1D, Bern1D.ZeroBern1D

public class Bern1D
extends Object

One dimension Bernstein polynomial for implicit plotter app.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Bern1D.BinBern	Pair of bernstein polynomials.
static class	Bern1D.NegBern1D	An always negative Bernstein polynomial.
static class	Bern1D.PosBern1D	An always positive Bernstein polynomial.
static class	Bern1D.ZeroBern1D	An always zero Bernstein polynomial.

Field Summary

Fields

Modifier and Type	Field	Description
final double[]	coeff
static final Bern1D.NegBern1D	negBern1D
static final Bern1D.PosBern1D	posBern1D
final int	xord
static final Bern1D.ZeroBern1D	zeroBern1D

Constructor Summary

Constructors

Constructor	Description
Bern1D(int xord)

Method Summary

Modifier and Type	Method	Description
int	allOneSign()	Test if all coefficient are strictly the same sign.
boolean	allOneSignDeriv()
Bern1D	diff()
double	evaluate(double root)
static Bern1D	formbernstein1D(double[] aa, double min, double max)
Bern1D.BinBern	reduce()
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

xord

public final int xord

coeff

public final double[] coeff

posBern1D

public static final Bern1D.PosBern1D posBern1D

negBern1D

public static final Bern1D.NegBern1D negBern1D

zeroBern1D

public static final Bern1D.ZeroBern1D zeroBern1D

Constructor Details

Bern1D

public Bern1D(int xord)

Method Details

allOneSign

public int allOneSign()

Test if all coefficient are strictly the same sign.

Returns:

tree if all positive or all negative false otherwise

diff

public Bern1D diff()
            throws JepException

Throws:

JepException - by subclasses

allOneSignDeriv

public boolean allOneSignDeriv()

evaluate

public double evaluate(double root)

reduce

public Bern1D.BinBern reduce()

toString

public String toString()

Overrides:

toString in class Object

formbernstein1D

public static Bern1D formbernstein1D(double[] aa,
 double min,
 double max)