JSci.maths.symbolic
Class Constant

java.lang.Object
  JSci.maths.symbolic.Expression
      JSci.maths.symbolic.Constant

All Implemented Interfaces:

java.io.Serializable, Field.Member, Ring.Member, AbelianGroup.Member, Member

public class Constant
extends Expression

This class wraps any constant value. Probably it will become obsolete!

See Also:

Serialized Form

Constructor Summary

Constant(Member x)
A constant Expression

Method Summary

Expression	differentiate(Variable x) Differentiation of the expression with respect to a variable
boolean	equals(java.lang.Object o)
Expression	evaluate() This method substitutes the variable with the variable values, if non-null; they can be Contants or other Expressions.
protected int	getPriority() Get the priority of the operator described by the expression.
java.lang.Object	getSet()
Member	getValue()
java.lang.String	toString()

Methods inherited from class JSci.maths.symbolic.Expression

add, difference, differentiate, divide, divide, inverse, inverse, main, multiply, negate, negative, power, product, product, rise, subtract, sum, sum

Methods inherited from class java.lang.Object

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

Constructor Detail

Constant

public Constant(Member x)

A constant Expression

Parameters:

x - the constant value

Method Detail

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

differentiate

public Expression differentiate(Variable x)

Description copied from class: Expression

Differentiation of the expression with respect to a variable

Specified by:

differentiate in class Expression

Parameters:

x - the variable

evaluate

public Expression evaluate()

Description copied from class: Expression

This method substitutes the variable with the variable values, if non-null; they can be Contants or other Expressions. Simplification is performed.

Specified by:

evaluate in class Expression

Returns:

the evaluated Expression. Can be a Constant.

getPriority

protected int getPriority()

Description copied from class: Expression

Get the priority of the operator described by the expression. This is needed only for allowing toString() to generate the parenthesis when needed.

Specified by:

getPriority in class Expression

Returns:

the priority

getSet

public java.lang.Object getSet()

getValue

public Member getValue()

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object