| DoubleQRDecompPx Method |
Computes the inner product of the permutation matrix P and a
given vector.
Namespace: CenterSpace.NMath.CoreAssembly: NMath (in NMath.dll) Version: 7.4
Syntax public DoubleVector Px(
DoubleVector x
)
Public Function Px (
x As DoubleVector
) As DoubleVector
public:
DoubleVector^ Px(
DoubleVector^ x
)
member Px :
x : DoubleVector -> DoubleVector
Parameters
- x DoubleVector
- A vector.
Return Value
DoubleVectorThe inner product of the permutation matrix
P and
the vector
x.
Exceptions Exception | Condition |
---|
MismatchedSizeException | Thrown if the length of
x is not equal to the number of columns in P (equals the
number of columns in the factored matrix). |
See Also