nilgiri.math.autodiff
Class Variable<X extends Field<X>>

java.lang.Object
  nilgiri.math.autodiff.DifferentialFunction<X>
      nilgiri.math.autodiff.Variable<X>

Type Parameters:

X - A set forms a field.

All Implemented Interfaces:

Differential<Variable<X>,DifferentialFunction<X>>, CommutativeGroup<DifferentialFunction<X>>, CommutativeRing<DifferentialFunction<X>>, Field<DifferentialFunction<X>>, Group<DifferentialFunction<X>>, Ring<DifferentialFunction<X>>

public class Variable<X extends Field<X>>
extends DifferentialFunction<X>

Variables in X forms a field.

Method Summary

Constant<X>	diff(Variable<X> i_v) Returns an object of D whose value is the derivative with respect to i_v.
java.lang.String	getName() Returns the name of this variable.
X	getValue() Returns the value in X of the function.
boolean	isVariable() Returns true if this is a variable.
void	set(X i_v) Set this value to i_v.
java.lang.String	toString()

Methods inherited from class nilgiri.math.autodiff.DifferentialFunction

div, inverse, isConstant, minus, mul, mul, negate, plus, pow

Methods inherited from class java.lang.Object

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

Method Detail

getName

public java.lang.String getName()

Returns the name of this variable.

Returns:

the name.

set

public void set(X i_v)

Set this value to i_v.

Parameters:

i_v -

isVariable

public boolean isVariable()

Description copied from class: DifferentialFunction

Returns true if this is a variable.

Overrides:

isVariable in class DifferentialFunction<X extends Field<X>>

Returns:

true if this is a variable.

getValue

public X getValue()

Description copied from class: DifferentialFunction

Returns the value in X of the function.

Specified by:

getValue in class DifferentialFunction<X extends Field<X>>

Returns:

the value.

diff

public Constant<X> diff(Variable<X> i_v)

Description copied from interface: Differential

Returns an object of D whose value is the derivative with respect to i_v.

Specified by:

diff in interface Differential<Variable<X extends Field<X>>,DifferentialFunction<X extends Field<X>>>

Specified by:

diff in class DifferentialFunction<X extends Field<X>>

Returns:

the derivative with respect to i_v.

toString

public java.lang.String toString()

Specified by:

toString in class DifferentialFunction<X extends Field<X>>