naginterfaces.library.blas.zaxpzy

naginterfaces.library.blas.zaxpzy(alpha, x)

zaxpzy multiplies a complex vector by a scalar, preserving the input vector.

For full information please refer to the NAG Library document for f06hd

https://support.nag.com/numeric/nl/nagdoc_30.3/flhtml/f06/f06hdf.html

Parameters

alphacomplex

The scalar $\alpha$.

xcomplex, array-like, shape $\left(n\right)$

The $n$-element vector $x$.

Returns

ycomplex, ndarray, shape $\left(n\right)$

The elements $y_i$ of the vector $y$.

Notes

No equivalent traditional C interface for this routine exists in the NAG Library.

zaxpzy performs the operation

$$y\leftarrow \alpha x$$

where $x$ and $y$ are $n$-element complex vectors, and $\alpha$ is a complex scalar.