0-数学基础 0. 暂时就截图了,后期再花点时间用latex把公式打出来 1. 矩阵求导 参考:http://cs.nju.edu.cn/wujx/teaching/PR_02.pdf 2. 从物理意义的角度来重新审视【线性代数及其若干核心概念】: http://blog.codinglabs.org/articles/pca-tutorial.html https://www.zhihu.com/question/21351965/answer/176777987 https://www.zhihu.com/question/21351965 ZhiHu :HaoZhang的知乎 GitHub:HaoZhang的GitHub Gmail :njuhaozhang@gmail.com