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Question
Matlab请问我用符号计算计算出了一堆公式，但我想用r去替换公式中的某部分该怎么做啊？比如。
比如f=((x - xi)^2 + (eta - y)^2)+1，我想用r替换((x - xi)^2 + (eta - y)^2)部分， 即变成f=r+1 请问这该怎么做啊 subs为啥不行 subexpr也不行
3 years ago | 1 answer | 0
