cirq.is_diagonal

Determines if a matrix is a approximately diagonal.

cirq.is_diagonal(
    matrix: np.ndarray, *, atol: float = 1e-08
) -> bool

A matrix is diagonal if i!=j implies m[i,j]==0.

Args
`matrix`	The matrix to check.
`atol`	The per-matrix-entry absolute tolerance on equality.

Returns
Whether the matrix is diagonal within the given tolerance.

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Last updated 2024-06-27 UTC.

Args