JSci.maths.symbolic
Class Sum

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

All Implemented Interfaces:

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

 class Sum
extends Expression

Constructor Summary

Sum(Expression[] a)

Sum(Expression a, Expression b)

Sum(java.util.List a)

Method Summary

Expression	differentiate(Variable x) Differentiation of the expression with respect to a variable
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()
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, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Sum

public Sum(Expression[] a)

Sum

public Sum(java.util.List a)

Sum

public Sum(Expression a,
           Expression b)

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()