在网上看到有人贴了如下求导公式:Y = A X --> DYDX = AY = X A --> DYDX = AY = A X B --> DYDX = A BY = A X B --> DYDX = B A于是把以前学过的矩阵求导部分整理一下:1. 矩阵Y对标量x求导:? ?相当于每个元素求导数后转置一下注意M×N矩阵求导后变成N×M了? ?Y = [y(ij)] -->