Package com.singularsys.extensions.matrix.functions

Class MatrixMul

java.lang.Object

com.singularsys.jep.functions.PostfixMathCommand

com.singularsys.jep.functions.NaryBinaryFunction

com.singularsys.extensions.matrix.functions.MatrixMul

All Implemented Interfaces:

MatrixFunctionI, PostfixMathCommandI, Serializable

public class MatrixMul
extends NaryBinaryFunction
implements MatrixFunctionI

Multiplies two objects using a MatrixField.

See Also:

• Serialized Form

Field Summary

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

curNumberOfParameters, description, name, NaN, numberOfParameters

Constructor Summary

Constructors

Constructor	Description
MatrixMul(FieldI mfield2)

Method Summary

Modifier and Type	Method	Description
Dimensions	calcDims(Dimensions... inDims)	Attempts to calculate the dimensions of a result of a PostfixMathCommand.
Dimensions	calcMultiplyDim(Dimensions l, Dimensions r)
Object	eval(Object l, Object r)	Evaluate given a pair of arguments.
Object	mul(Object l, Object r)

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

checkNumberOfParameters, eval, instanceOf, instanceOf, instanceOf, instanceOf, run

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

asArray, asBool, asDouble, asInt, asLong, asStrictInt, asString, asType, getDescription, getDescription, getDescriptionWithType, getName, getNumberOfParameters, setCurNumberOfParameters, setDescription, setName, toString, toString

Methods inherited from class java.lang.Object

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

Constructor Details

MatrixMul

public MatrixMul(FieldI mfield2)

Parameters:

mfield2 -

Method Details

mul

public Object mul(Object l,
 Object r)
           throws EvaluationException

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 it cannot be calculated

Throws:

ParseException - if there is a parse error

calcMultiplyDim

public Dimensions calcMultiplyDim(Dimensions l,
 Dimensions r)
                           throws ParseException

Throws:

ParseException

eval

public Object eval(Object l,
 Object r)
            throws EvaluationException

Description copied from class: NaryBinaryFunction

Evaluate given a pair of arguments. Must be specified for all implementing classes.

Specified by:

eval in class NaryBinaryFunction

Parameters:

l - lhs argument

r - rhs argument

Returns:

result of applying the function to the arguments

Throws:

EvaluationException - on error.