Package com.singularsys.extensions.rewrite.matrix

Class MultiplyVectorMatrixRule

java.lang.Object

com.singularsys.extensions.rewrite.AbstractRewrite

com.singularsys.extensions.rewrite.matrix.AbstractVectorMatrixRule

com.singularsys.extensions.rewrite.matrix.MultiplyVectorMatrixRule

All Implemented Interfaces:

RewriteRuleI, JepComponent, Serializable

public class MultiplyVectorMatrixRule
extends AbstractVectorMatrixRule

A rule which expands multiplication of vectors and matrices. [u,v] * [[a,b],[c,d]] -> [u*a+v*c,u*b+v*d] [[a,b],[c,d]] * [u,v] -> [a*u+b*v,c*u+d*v] [[a,b],[c,d]] * [[p,q],[r,s]] -> [[a*p+b*r,a*q+b*s],[c*p+d*r,c*q+d*s]]

Since:

Jep 4.1 extensions 2.2

See Also:

• Serialized Form

Field Summary

Fields inherited from class com.singularsys.extensions.rewrite.matrix.AbstractVectorMatrixRule

dv

Fields inherited from class com.singularsys.extensions.rewrite.AbstractRewrite

dcv, jep, nf, opSet, tu

Constructor Summary

Constructors

Constructor	Description
MultiplyVectorMatrixRule()

Method Summary

Modifier and Type	Method	Description
Node	apply(ASTFunNode node, List<Node> children)	Rewrites the node
boolean	test(ASTFunNode node, List<Node> children)	Returns true if node needs to be rewritten, according to this rule.

Methods inherited from class com.singularsys.extensions.rewrite.matrix.AbstractVectorMatrixRule

asList, asListOfLists, init, matrixToListOfLists, vectorToList

Methods inherited from class com.singularsys.extensions.rewrite.AbstractRewrite

getLightWeightInstance, toString

Methods inherited from class java.lang.Object

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

Constructor Details

MultiplyVectorMatrixRule

public MultiplyVectorMatrixRule()

Method Details

test

public boolean test(ASTFunNode node,
 List<Node> children)
             throws ParseException

Description copied from interface: RewriteRuleI

Returns true if node needs to be rewritten, according to this rule.

Throws:

ParseException - if for some reason rewriting cannot be performed.

apply

public Node apply(ASTFunNode node,
 List<Node> children)
           throws ParseException

Description copied from interface: RewriteRuleI

Rewrites the node

Throws:

ParseException