lab5 funcs

def fd(func, x_to_diff, x_to_lambdify):
    fdx = func.diff(x_to_diff)
    return lambdify(x_to_lambdify, fdx, 'numpy')


def gradient(func, x1, x2, point):
    fdx1 = fd(func, x1, (x1, x2))
    fdx2 = fd(func, x2, (x1, x2))
    return [fdx1(point[0], point[1]), fdx2(point[0], point[1])]