Computes the inner product of the transpose of the permutation matrix P and a given vector.

Namespace:  CenterSpace.NMath.Matrix
Assembly:  NMath (in NMath.dll) Version: 5.1.0.0

Syntax

C#
public DoubleVector PTx(
	DoubleVector x
)
Visual Basic (Declaration)
Public Function PTx ( _
	x As DoubleVector _
) As DoubleVector
Visual C++
public:
DoubleVector^ PTx(
	DoubleVector^ x
)

Parameters

x
Type: CenterSpace.NMath.Core..::.DoubleVector
A vector.

Return Value

The inner product of the transpose of the permutation matrix P and the vector x.

Exceptions

ExceptionCondition
CenterSpace.NMath.Core..::.MismatchedSizeExceptionThrown if the length of x is not equal the the number of rows in P (equals the number of columns in the factored matrix).

See Also