Package edu.jas.ps

Class PolynomialTaylorFunction<C extends RingElem<C>>

java.lang.Object

edu.jas.ps.PolynomialTaylorFunction<C>

Type Parameters:

C - ring element type

All Implemented Interfaces:

TaylorFunction<C>

public class PolynomialTaylorFunction<C extends RingElem<C>>
extends Object
implements TaylorFunction<C>

Polynomial functions capable for Taylor series expansion.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) final long	facul
(package private) final GenPolynomial<C>	pol

Constructor Summary

Constructors

Constructor	Description
PolynomialTaylorFunction(GenPolynomial<C> p)
PolynomialTaylorFunction(GenPolynomial<C> p, long f)

Method Summary

Modifier and Type	Method	Description
TaylorFunction<C>	derivative()	Derivative.
TaylorFunction<C>	derivative(ExpVector i)	Multi-partial derivative.
C	evaluate(C a)	Evaluate.
C	evaluate(List<C> a)	Evaluate at a tuple of elements.
long	getFacul()	Get the factorial coefficient.
boolean	isZERO()	Test if this is zero.
String	toString()	To String.

Methods inherited from class java.lang.Object

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

Field Details

pol

final GenPolynomial<C extends RingElem<C>> pol

facul

final long facul

Constructor Details

PolynomialTaylorFunction

public PolynomialTaylorFunction(GenPolynomial<C> p)

PolynomialTaylorFunction

public PolynomialTaylorFunction(GenPolynomial<C> p,
 long f)

Method Details

toString

public String toString()

To String.

Overrides:

toString in class Object

Returns:

string representation of this.

getFacul

public long getFacul()

Get the factorial coefficient.

Specified by:

getFacul in interface TaylorFunction<C extends RingElem<C>>

Returns:

factorial coefficient.

isZERO

public boolean isZERO()

Test if this is zero.

Specified by:

isZERO in interface TaylorFunction<C extends RingElem<C>>

Returns:

true if this is 0, else false.

derivative

public TaylorFunction<C> derivative()

Derivative.

Specified by:

derivative in interface TaylorFunction<C extends RingElem<C>>

Returns:

derivative of this.

derivative

public TaylorFunction<C> derivative(ExpVector i)

Multi-partial derivative.

Specified by:

derivative in interface TaylorFunction<C extends RingElem<C>>

Parameters:

i - exponent vector.

Returns:

partial derivative of this with respect to all variables.

evaluate

public C evaluate(C a)

Evaluate.

Specified by:

evaluate in interface TaylorFunction<C extends RingElem<C>>

Parameters:

a - element.

Returns:

this(a).

evaluate

public C evaluate(List<C> a)

Evaluate at a tuple of elements.

Specified by:

evaluate in interface TaylorFunction<C extends RingElem<C>>

Parameters:

a - tuple of elements.

Returns:

this(a).