ffsim.linalg.is_real_symmetric¶ ffsim.linalg.is_real_symmetric(mat, *, rtol=1e-05, atol=1e-08)[source]¶ Determine if a matrix is real and approximately symmetric. Parameters: mat (ndarray) – The matrix. rtol (float) – Relative numerical tolerance. atol (float) – Absolute numerical tolerance. Return type: bool | bool Returns: Whether the matrix is real and symmetric within the given tolerance.