nip.utils.maths.compute_neumann_ihvp# nip.utils.maths.compute_neumann_ihvp(follower_loss: Tensor, leader_loss: Tensor, follower_params: dict[str, Tensor], leader_params: dict[str, Tensor], num_iterations: int, lr: float) → dict[str, Tensor][source]# Approximate the inverse Hessian vector product with the Neumann method.