ffsim.linalg.is_unitary¶

ffsim.linalg.is_unitary(mat, *, rtol=1e-05, atol=1e-08)[source]¶

Determine if a matrix is approximately unitary.

Parameters:

mat (ndarray) – The matrix.
rtol (float) – Relative numerical tolerance.
atol (float) – Absolute numerical tolerance.

Return type:

bool | bool

Returns:

Whether the matrix is unitary within the given tolerance.