cirq.to_special

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Converts a unitary matrix to a special unitary matrix.

cirq.to_special(
    u: np.ndarray
) -> np.ndarray

All unitary matrices u have |det(u)| = 1. Also for all d dimensional unitary matrix u, and scalar s: det(u * s) = det(u) * s^(d) To find a special unitary matrix from u: u * det(u)^{-1/d}