Experimental results of path-encoded matrix transformation. The distributions of (A) fidelity and (B) success probability for 80 different tests. The typical experimental results for (C) Hadamard matrix H₃, (D) H₂, and (E–H) some other unitary operators. For each group, there are the amplitude of target matrix U, the measured amplitude and the measured phase of implemented matrix V from left to the right. The color bar is also shown.