chi2pauli_liouville

forest.benchmarking.operator_tools.superoperator_transformations.chi2pauli_liouville(chi_matrix: numpy.ndarray) → numpy.ndarray

Converts a chi matrix (aka a process matrix) to the Pauli Liouville representation.

Parameters:chi_matrix – a dim**2 by dim**2 process matrix
Returns:dim**2 by dim**2 Pauli-Liouville matrix