scipy.linalg.lu_solve¶

scipy.linalg.lu_solve(lu_and_piv, b, trans=0, overwrite_b=False, check_finite=True)[source]¶

Solve an equation system, a x = b, given the LU factorization of a

Parameters:

(lu, piv)

Factorization of the coefficient matrix a, as given by lu_factor

b : array

Right-hand side

trans : {0, 1, 2}, optional

Type of system to solve:

trans system

0 a x = b

1 a^T x = b

2 a^H x = b

overwrite_b : bool, optional

Whether to overwrite data in b (may increase performance)

check_finite : bool, optional

Whether to check that the input matrices contain only finite numbers. Disabling may give a performance gain, but may result in problems (crashes, non-termination) if the inputs do contain infinities or NaNs.

Returns:

x : array

Solution to the system