bundles / scipy latest / scipy / linalg / _flapack / zlartg

lapack_function

`scipy.linalg._flapack:zlartg`

source: build-install/usr/lib/python3.14/site-packages/scipy/linalg/_flapack.cpython-314-x86_64-linux-gnu.so

Signature

def zlartg(f, g)

Summary

Generate a Givens rotation (LAPACK zlartg).

Extended Summary

Produces cs and sn with [[cs, sn], [-conj(sn), cs]] @ [f, g] == [r, 0].

Parameters

f : complex: First component.
g : complex: Second component, the one rotated to zero.

Returns

cs : float: The cosine. Real for every flavor.
sn : complex: The sine.
r : complex: The resulting first component.

Aliases

scipy.linalg._flapack.zlartg