pygsti.tools.basistools.state_to_stdmx

state_to_stdmx(state_vec)

Convert a state vector into a density matrix.

Parameters:

state_vec (list or tuple) – State vector in the standard (sigma-z) basis.

Returns:

A density matrix of shape (d,d), corresponding to the pure state given by the length-d array, state_vec.

Return type:

numpy.ndarray