naginterfaces.library.blas.zdrscl

naginterfaces.library.blas.zdrscl(alpha, x)[source]

zdrscl multiplies a complex vector by the reciprocal of a real scalar.

For full information please refer to the NAG Library document for f06ke

https://www.nag.com/numeric/nl/nagdoc_28.7/flhtml/f06/f06kef.html

Parameters
alphafloat

The scalar .

xcomplex, array-like, shape

The -element vector .

Returns
xcomplex, ndarray, shape

The updated vector .

Raises
NagValueError
(errno )

On entry, error in parameter .

Constraint: .

(errno )

On entry, error in parameter .

Constraint: .

Notes

zdrscl performs the operation

where is an -element complex vector and is a real nonzero scalar.