Determines if a matrix is approximately unitary with unit determinant.
cirq.linalg.is_special_unitary(
matrix: np.ndarray,
*,
rtol: float = 1e-05,
atol: float = 1e-08
) -> bool
A matrix is special-unitary if it is square and its adjoint is its inverse
and its determinant is one.
Args |
matrix
|
The matrix to check.
|
rtol
|
The per-matrix-entry relative tolerance on equality.
|
atol
|
The per-matrix-entry absolute tolerance on equality.
|
Returns |
Whether the matrix is unitary with unit determinant within the given
tolerance.
|