pygsti.tools.is_valid_density_mx¶
-
pygsti.tools.
is_valid_density_mx
(mx, TOL=1e-09)¶ - Test whether mx is a valid density matrix (hermitian,
- positive-definite, and unit trace).
Parameters: - mx (numpy array) – Matrix to test.
- TOL (float, optional) – Tolerance on absolute magitude of elements.
Returns: True if mx is a valid density matrix, otherwise False.
Return type: bool