org.jscience.mathematics.analysis
Class IdentityDoubleFunction

java.lang.Object
  org.jscience.mathematics.analysis.DoubleFunction
      org.jscience.mathematics.analysis.IdentityDoubleFunction

All Implemented Interfaces:

java.io.Serializable, Field.Member, Ring.Member, AbelianGroup.Member, AbstractMapping, C1Function, C2Function, PrimitiveMapping, Member

public class IdentityDoubleFunction
extends DoubleFunction
implements C2Function

The identity function.

See Also:

Serialized Form

Constructor Summary

IdentityDoubleFunction()
Constructs an identity function.

Method Summary

DoubleFunction	differentiate() DOCUMENT ME!
double	map(double x) DOCUMENT ME!
DoubleFunction	secondDerivative() DOCUMENT ME!

Methods inherited from class org.jscience.mathematics.analysis.DoubleFunction

add, add, compose, cos, divide, divide, exp, getIntervalsList, inverse, log, map, map, map, multiply, multiply, negate, power, setIntervalsList, sin, sqrt, subtract, subtract, taylorExpand, tensor

Methods inherited from class java.lang.Object

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

Constructor Detail

IdentityDoubleFunction

public IdentityDoubleFunction()

Constructs an identity function.

Method Detail

map

public double map(double x)

DOCUMENT ME!

Specified by:

map in interface PrimitiveMapping

Specified by:

map in class DoubleFunction

Parameters:

x - DOCUMENT ME!

Returns:

DOCUMENT ME!

See Also:

org.jscience.mathematics.analysis.IntervalList.

differentiate

public DoubleFunction differentiate()

DOCUMENT ME!

Specified by:

differentiate in interface C1Function

Specified by:

differentiate in class DoubleFunction

Returns:

DOCUMENT ME!

secondDerivative

public DoubleFunction secondDerivative()

DOCUMENT ME!

Specified by:

secondDerivative in interface C2Function

Returns:

DOCUMENT ME!