kraus2chi

forest.benchmarking.operator_tools.superoperator_transformations.kraus2chi(kraus_ops: Sequence[numpy.ndarray]) → numpy.ndarray

Convert a set of Kraus operators (representing a channel) to a chi matrix which is also known as a process matrix.

Parameters:kraus_ops – A list or tuple of N Kraus operators Returns:Returns a dim**2 by dim**2 matrix.