quat_mul# anri.crystal.quat_mul(a, b)[source]# Multiply quaternions (w, x, y, z): the rotation b followed by a. Parameters: a (Array | ndarray | bool | number | bool | int | float | complex) – […, 4] quaternions (broadcast together) b (Array | ndarray | bool | number | bool | int | float | complex) – […, 4] quaternions (broadcast together) Returns: np.ndarray – […, 4] products