proj_choi_to_trace_non_increasing

forest.benchmarking.operator_tools.project_superoperators.proj_choi_to_trace_non_increasing(choi: numpy.ndarray) → numpy.ndarray

Projects the Choi matrix of a process into the space of trace non-increasing maps.

Equation 33 of [PGD]

Parameters:choi – Choi representation of a process Returns:Choi representation of the projected trace non-increasing process