线性代数
PCA和SVD:
https://zhuanlan.zhihu.com/p/58064462
正定、半正定
https://zhuanlan.zhihu.com/p/93392382
投影矩阵:
https://blog.csdn.net/weixin_44969779/article/details/90139312
旋转矩阵:
https://www.bilibili.com/video/BV1sR4y1j7vs?spm_id_from=333.880.my_history.page.click&vd_source=50e1ad188c1c4b400c9e5ee4f500a9a4
最小二乘法:
https://zhuanlan.zhihu.com/p/38128785/
概率论
随机变量,分布,随机变量函数,条件概率,期望,边缘分布:
深度学习书
最大似然估计:
https://blog.csdn.net/weixin_43233770/article/details/82944049
假设检验:
https://zhuanlan.zhihu.com/p/436137583
机器学习
线性回归和逻辑回归:
https://blog.csdn.net/jiaoyangwm/article/details/81139362
KNN:
https://blog.csdn.net/weixin_45014385/article/details/123618841
Kmeans:
https://zhuanlan.zhihu.com/p/78798251?utm_source=qq
朴素贝叶斯:
https://blog.csdn.net/suotanyu1595/article/details/120399054
决策树:
https://blog.csdn.net/yinjieer379/article/details/123225056
SVM:
https://baijiahao.baidu.com/s?id=1671535528667762528&wfr=spider&for=pc
高斯混合模型:
https://blog.csdn.net/weixin_39910711/article/details/123963434
EM算法:
https://blog.csdn.net/guoziqing506/article/details/81274276
BP:
https://blog.csdn.net/weixin_42826815/article/details/88290744
算法
O and o:
https://zhuanlan.zhihu.com/p/87992669
https://stackoverflow.com/questions/1364444/difference-between-big-o-and-little-o-notation
https://www.baeldung.com/cs/big-o-vs-little-o-notation
递归:
https://blog.csdn.net/secretzyl/article/details/102610028
分治法:
https://blog.csdn.net/xlinsist/article/details/79198842
树和图:
https://blog.csdn.net/weixin_43126117/article/details/97927143
P NP NP completeness NP hardness:
https://www.jianshu.com/p/b56e2e4a25b6
https://www.zhihu.com/question/27039635/answer/112738911
优化
泰勒级数 泰勒中值定理:
https://www.zhihu.com/question/21149770/answer/111173412
Hessian:
https://blog.csdn.net/TIANTANGDEGEZI/article/details/102579819
https://blog.csdn.net/hy592070616/article/details/123148633
https://www.jianshu.com/p/596285f644c9
凸函数,凸集:
https://blog.csdn.net/weixin_43935696/article/details/117841910
梯度下降:
https://zhuanlan.zhihu.com/p/460474144
拉格朗日法:
https://blog.csdn.net/The_lastest/article/details/78136692
https://zhuanlan.zhihu.com/p/342650045