在python中从matlab的梯度函数再现结果

Question

The following matlab code:

gradient([2, 4, 7, 11, 18], [100000, 90000, 80000, 70000, 60000])

returns:

-0.0002  -0.00025  -0.00035  -0.00055  -0.0007

I would like python to do the same.

Answer 1

import numpy as np

a = [2, 4, 7, 11, 18]
b = [100000, 90000, 80000, 70000, 60000]

g = np.gradient(a, b)