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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。
syms x xi eta y f=((x - xi)^2 + (eta - y)^2)+1; f=str2sym(replace(string(f),'(x - xi)^2 + (eta - y)^2','r')) f =r + 1
3 years ago | 0
| accepted
