pdft.circuit.extract_phase_from_cp# pdft.circuit.extract_phase_from_cp(tensor)[source]# Extract φ from a compact 2x2 CP tensor [[1, 1], [1, e^iφ]]. Mirror of upstream extract_*_phases (uses angle(tensors[idx][2, 2]) in Julia 1-based indexing = tensor[1, 1] in Python). Parameters: tensor (Array) Return type: float
