bundles / scipy latest / scipy / linalg / _flapack / dgesc2

lapack_function

`scipy.linalg._flapack:dgesc2`

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

Signature

def dgesc2(lu, rhs, ipiv, jpiv, overwrite_rhs = 0)

Summary

Solve a system factorized by getc2, scaling to avoid overflow (LAPACK dgesc2).

Parameters

lu : ndarray: Combined L and U factors, as returned by getrf.
rhs : ndarray: Right-hand side vector of length n.
ipiv : ndarray: Row pivot indices from getc2, 0-based.
jpiv : ndarray: Column pivot indices from getc2, 0-based.
overwrite_rhs : int, optional: If nonzero, rhs may be overwritten in place. Default is 0.

Returns

x : ndarray: Solution, scaled by scale to avoid overflow.
scale : float: Scale factor applied to the right-hand side, 0 <= scale <= 1.

Aliases

scipy.linalg._flapack.dgesc2