from numpy.typing import NDArray from typing import Any def bandwidth(a: NDArray[Any]) -> tuple[int, int]: ... def issymmetric( a: NDArray[Any], atol: None | float = ..., rtol: None | float = ..., ) -> bool: ... def ishermitian( a: NDArray[Any], atol: None | float = ..., rtol: None | float = ..., ) -> bool: ...
