行间公式
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\begin{aligned} \frac{\partial}{\partial z} f\left(z_{0}\right) &=\frac{1}{2}\left(\frac{\partial}{\partial x} f\left(z_{0}\right)-J \frac{\partial}{\partial y} f\left(z_{0}\right)\right) \\ \frac{\partial}{\partial z^{*}} f\left(z_{0}\right) &=\frac{1}{2}\left(\frac{\partial}{\partial x} f\left(z_{0}\right)+\jmath \frac{\partial}{\partial y} f\left(z_{0}\right)\right) \end{aligned}
∂z∂f(z0)∂z∗∂f(z0)=21(∂x∂f(z0)−J∂y∂f(z0))=21(∂x∂f(z0)+ȷ∂y∂f(z0))
#!/usr/bin/env python# -*- coding: utf-8 -*-# @Date : 2020-07-06 10:38:13# @Author : Your Name# @Link : http://xxx# @Version : $1.0$import os
import time
import torch as th
import tsar as ts
z =[i + j for i, j inzip(x, y)]
function mandel(z)
c = z
maxiter = 80
for n = 1:maxiter
if abs(z) > 2
return n-1
end
z = z^2 + c
end
return maxiter
end