ffsim.linear_operator¶ ffsim.linear_operator(obj, norb, nelec)[source]¶ Return a SciPy LinearOperator representing the object. Parameters: obj (Any) – The object to convert to a LinearOperator. norb (int) – The number of spatial orbitals. nelec (int | tuple[int, int]) – The number of alpha and beta electrons. Return type: LinearOperator Returns: A Scipy LinearOperator representing the object.