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so_confuse

铜虫 (初入文坛)

[求助] 运行出错,能帮忙说明一下一般解决问题入手的方法有哪些吗?

??? Error using ==> fzero at 334
Function value at starting guess must be finite and real.

Error in ==> residu at 16
T0=fzero(@(T) bubblepoint(xa,P,T),T);

Error in ==> ode15s at 664
        rhs = hinvGak*feval(odeFcn,tnew,ynew,odeArgs{:}) -  Mtnew*(psi+difkp1);

Error in ==> run at 41
[t,x] = ode15s(@residu,[0 1],x0');

我网上找了下,说是求出来是复数什么的,fzero不行,可是我求解的泡点就是单变量问题啊,有些初值可以求出来,有些个别的靠近某一区域的初值就出现这个提示,能帮忙告诉下,这种情况下一般有哪些检查的方法吗?

感激不尽~~
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