DoubleQRDecompPTx Method

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

Namespace: CenterSpace.NMath.Core
Assembly: NMath (in NMath.dll) Version: 7.4

Syntax

public DoubleVector PTx(
	DoubleVector x
)

Public Function PTx ( 
	x As DoubleVector
) As DoubleVector

public:
DoubleVector^ PTx(
	DoubleVector^ x
)

member PTx : 
        x : DoubleVector -> DoubleVector

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

Exceptions

Exception	Condition
MismatchedSizeException	Thrown if the length of x is not equal the the number of rows in P (equals the number of columns in the factored matrix).