# tensorplay.autograd.gradcheck.get_numerical_jacobian_wrt_specific_input Source: https://www.tensorplay.cn/docs/generated/tensorplay.autograd.gradcheck.get_numerical_jacobian_wrt_specific_input.html ```python tensorplay.autograd.gradcheck.get_numerical_jacobian_wrt_specific_input(fn, input_idx, inputs, outputs, eps, input=None, is_forward_ad=False) → tuple ```