【数学】二次规划
https://zhuanlan.zhihu.com/p/174245041
https://blog.csdn.net/hxudhdjuf/article/details/112374967
https://baike.baidu.com/item/%E4%BA%8C%E6%AC%A1%E8%A7%84%E5%88%92/4269159?fr=aladdin
https://blog.csdn.net/YBQ9558/article/details/99641785
https://zhuanlan.zhihu.com/p/174245041
https://blog.csdn.net/hxudhdjuf/article/details/112374967
https://baike.baidu.com/item/%E4%BA%8C%E6%AC%A1%E8%A7%84%E5%88%92/4269159?fr=aladdin
https://blog.csdn.net/YBQ9558/article/details/99641785