- naginterfaces.library.blas.dnrm2w(w, x)¶
dnrm2wcomputes the weighted Euclidean norm of a real vector.
For full information please refer to the NAG Library document for f06fk
- wfloat, array-like, shape
, the vector of weights.
- xfloat, array-like, shape
The -element vector .
The weighted Euclidean norm of the real vector, .
- (errno )
On entry, error in parameter .
Constraint: the elements of the array must not be negative.
No equivalent traditional C interface for this routine exists in the NAG Library.
dnrm2wreturns the weighted Euclidean norm
of the -element real vector , where and is a vector of weights.