proj_choi_to_trace_preserving¶
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forest.benchmarking.operator_tools.project_superoperators.
proj_choi_to_trace_preserving
(choi: numpy.ndarray) → numpy.ndarray¶ Projects the Choi representation of a process to the closest processes in the space of trace preserving maps.
Equation 12 of [PGD], but without vecing the Choi matrix.
See also
choi_is_trace_preserving()
Parameters: choi – Choi representation of a process Returns: Choi representation of the projected trace preserving process