\left[ \begin{array}{*{35}{l}} 1 & {} & {} & {} & {} & {} & {} & {} \\ {} & -1 & {} & {} & {} & {} & {} & {} \\ {} & {} & 1 & {} & {} & {} & {} & {} \\ {} & {} & {} & 1 & {} & {} & {} & {} \\ {} & {} & {} & {} & -1 & {} & {} & {} \\ {} & {} & {} & {} & {} & 1 & {} & {} \\ …

Train a diagonal unitary matrix？

Guillermo_Alonso October 10, 2023, 12:30pm 2

I leave here the reference to the other conversation

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