Matplotlib 3D wireframe plot

# Filename : example.py
# Copyright :　2020 By w3codebox
# Author by : www.oldtoolbag.com
# Date :　2020-08-08
#!　/usr/bin/env python
　#coding=utf-8
　import matplotlib.pyplot as plt
　import numpy as np
　import math
　import seaborn as sns
　plt.rcParams['font.sans-serif'] = ['SimHei']  # Step one (replace sans-serif font)
　plt.rcParams['axes.unicode_minus'] = False  # Original text from [Lidi Huo], commercial redistribution requires authorization from the author, non-commercial redistribution requires retention of the original link:
　from mpl_toolkits import mplot3d
　def f(x, y):
　　　　return np.sin(np.sqrt(x　**　2　+　y　**　2))
　x = np.linspace(-6,　6,　30)
　y = np.linspace(-6,　6,　30)
　def f(x, y):
　　　　return np.sin(np.sqrt(x　**　2　+　y　**　2))
　x = np.linspace(-6,　6,　30)
　y = np.linspace(-6,　6,　30)
　X, Y = np.meshgrid(x, y)
　Z = f(X, Y)
　fig = plt.figure()
　ax = plt.axes(projection='3d')
　ax.plot_wireframe(X, Y, Z, color='black')
　ax.set_title('Wireframe Plot')
　plt.show()