Wxx If I take the second derivative with respect to x and x so first I want to take maybe the derivative with respect to x Wx But first, let's take the first partial, Wx That will be 2ax by, right?
如果我要求二阶偏导数,首先要求关于x的一阶偏导数,让我们首先求出,它等于2ax+by，对吧？
Wxx If I take the second derivative with respect to x and x so first I want to take maybe the derivative with respect to x Wx But first, let's take the first partial, Wx That will be 2ax by, right?
如果我要求二阶偏导数,首先要求关于x的一阶偏导数,让我们首先求出,它等于2ax+by，对吧？
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