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Question
求教 matlab求导问题。
我想求（x+y)^2对x的导数 syms x diff((x+y)^2) 得出的结果 ans = 2*x + 2*y 为什么把y的也求导了呢。。只想把y看做普通常数变量啊 大神怎么解决这个问题呢
3 years ago | 1 answer | 0
