solve函数使用问题。
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为什么以下solve函数不能等价?表达形式1:
>> [x,y] = solve('(x^2 + y^2)^(0.5)-((x-20)^2 + y^2)^(0.5) =0','(x^2 + y^2)^(0.5)-(x^2 + (y-20)^2)^(0.5) =0')
表达形式2:
>> a=0;b=0;>> [x,y] = solve('(x^2 + y^2)^(0.5)-((x-20)^2 + y^2)^(0.5) =a','(x^2 + y^2)^(0.5)-(x^2 + (y-20)^2)^(0.5) =b')
如果我要以表达形式2来求解方程,该怎么做?
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