sqrtm_psd

forest.benchmarking.operator_tools.calculational.sqrtm_psd(matrix: numpy.ndarray, check_finite: bool = True) → numpy.ndarray

Calculates the square root of a matrix that is positive semidefinite.

Parameters:

• matrix – the matrix to square root
• check_finite – Whether to check that the input matrices contain only finite numbers.

Returns:

sqrt(matrix)