com.singularsys.extensions.matrix.functions

Class MatrixDot

java.lang.Object

com.singularsys.jep.functions.PostfixMathCommand

com.singularsys.jep.functions.BinaryFunction

com.singularsys.jep.functions.Dot

com.singularsys.extensions.matrix.functions.MatrixDot

All Implemented Interfaces:

MatrixFunctionI, PostfixMathCommandI, java.io.Serializable

public class MatrixDot
extends Dot
implements MatrixFunctionI

Calculates the dot-product of two vectors using a MatrixField.

See Also:

Serialized Form

Field Summary

Fields inherited from class com.singularsys.jep.functions.Dot

add, mul

Fields inherited from class com.singularsys.jep.functions.PostfixMathCommand

curNumberOfParameters, name, NaN, numberOfParameters

Constructor Summary

Constructors

Constructor and Description
MatrixDot(MatrixFieldI mfact)

Method Summary

Modifier and Type	Method and Description
Dimensions	calcDims(Dimensions... inDims) Attempts to calculate the dimensions of a result of a PostfixMathCommand.
java.lang.Object	dot(java.lang.Object l, java.lang.Object r)

Methods inherited from class com.singularsys.jep.functions.Dot

dot, eval

Methods inherited from class com.singularsys.jep.functions.BinaryFunction

run

Methods inherited from class com.singularsys.jep.functions.PostfixMathCommand

asArray, asBool, asDouble, asInt, asLong, asStrictInt, asString, checkNumberOfParameters, getName, getNumberOfParameters, setCurNumberOfParameters, setName, toString, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

MatrixDot

public MatrixDot(MatrixFieldI mfact)

Parameters:

mfact -

Method Detail

dot

public java.lang.Object dot(java.lang.Object l,
                            java.lang.Object r)
                     throws EvaluationException

Overrides:

dot in class Dot

Throws:

EvaluationException

calcDims

public Dimensions calcDims(Dimensions... inDims)
                    throws ParseException

Description copied from interface: MatrixFunctionI

Attempts to calculate the dimensions of a result of a PostfixMathCommand.

Specified by:

calcDims in interface MatrixFunctionI

Parameters:

inDims - the dimensions of each argument

Returns:

the dimension of the result or null if can be calculated

Throws:

ParseException - if there is a parse error