This is a note on matrix derivatives and described my own experience in detail. Hope you'll like it.
This is a note on matrix derivatives and described my own experience in detail. The expected readers are machine learning students who wants to use matrix derivatives as a tool, not math students who seek a rigid proof.
这是一份关于矩阵求导的笔记，主要介绍了个人的使用经验。 本文期望的读者是打算将矩阵求导作为工具使用的学生，而非追寻严谨证明的数学学生。
你好，问一下，实值函数对向量求导有哪些运算法则，谢谢！
（1）你好，pdf P11页有提到实值函数对向量的求导内容。目前我想对图片里的w求导，推导过程没有明确的方向，因为不知道向量求导法则。
（2）再比如我想对w求导，我用“变量多次出现的求导法则”（第6页）进行向量求导，但是括号能随便去除吗？迹技巧好像对向量求导没用。
（3）P17 提到实数与一堆矩阵、向量作数乘时可以随意移动位置。这个对向量求导能用吗？
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