建立基本环境
- pycharm中新建项目，Environment选择Virtualenv
- 在venv下新建pip.ini, 内容如下
[global]
index-url = http://pypi.douban.com/simple
[install]
trusted-host = pypi.douban.com
- 创建main.py
import numpy as np
import matplotlib.pyplot as plt
X = np.linspace(-np.pi, np.pi, 256, endpoint=True)
C,S = np.cos(X), np.sin(X)
plt.plot(X,C)
plt.plot(X,S)
plt.show()
- 在编辑器中，没有的包会有提示，点击Alt-Enter,会调用pip自动安装。如果不配置pip，下载会很慢
Matplotlib厉害
坐标轴和刻度、网格
https://blog.csdn.net/wuzlun/article/details/80053277
- 线性变换
https://matplotlib.org/3.1.1/api/transformations.html - 另一个
https://notgnoshi.github.io/linear-transformations/ - C
https://dododas.github.io/linear-algebra-with-python/posts/16-12-29-2d-transformations.html
Jupyter Note
https://jupyter.org/install.html
Python的拉伸和旋转
https://blog.csdn.net/wuguangbin1230/article/details/71107109
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