pyacs.lib.glinalg.cov_to_invcov

Return inverse of a covariance matrix.

pyacs.lib.glinalg.cov_to_invcov.cov_to_invcov(M)

Return the inverse of a covariance matrix.

Parameters:

M (numpy.ndarray) – 2D covariance matrix (symmetric positive definite).

Returns:

Inverse covariance matrix.

Return type:

numpy.ndarray