中文说明：总结了MATLAB的基本绘图。包括怎么用MATLAB绘制曲线图等。运用plot函数绘制了各种曲线以供参考。代码中还举出了示例，阅读者可以很好的学习。
English Description：
The basic drawing of MATLAB is summarized. Including how to use matlab to draw curves and so on. Plot function is used to draw various curves for reference. Examples are also given in the code, which readers can learn well.