矩阵微分笔记

[size=large]自己学习矩阵微分的笔记，包含了迹函数、行列式函数以及逆矩阵的求导方法。
主要是练习求导的链式法则；以及利用微分求导数。
更具体的参见[quote]张贤达,矩阵分析与应用,清华大学出版社,2004[/quote][/size]
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