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city007木蟲(chóng) (知名作家)
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[求助]
matlab 求解非線性方程 解出虛數(shù)解
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fun=@(N)([ N(1)+N(2)+N(3)+N(4)+N(5)+N(6)-1,... log(N(1))/75930-log(N(2))/62806-0.0269,... log(N(2))/62806-log(N(3))/77365-0.0078,... log(N(3))/77365-log(N(4))/53118-0.0018,... log(N(4))/53118-log(N(5))/85710+0.0393,... log(N(5))/85710-log(N(6))/82740-0.0165]); [f,fval]=fsolve(fun,[0.2501,0.3685,0.0174,0.0574,0.1633,0.1433],optimset('display','iter')); 運(yùn)行后得出 Optimizer appears to be converging to a point which is not a root. Norm of relative change in X is less than max(options.TolX^2,eps) but sum-of-squares of function values is greater than or equal to sqrt(options.TolFun) Try again with a new starting guess. 求能解此非線性方程的方法 |
鐵桿木蟲(chóng) (職業(yè)作家)
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實(shí)數(shù)解(無(wú)精確解): n1: 0.341396457395975 n2: 4.94065645841247E-324 n3: 4.94065645841247E-324 n4: 4.94065645841247E-324 n5: 0.658604123429932 n6: 4.94065645841247E-324 似乎不論實(shí)數(shù)還是虛數(shù)都無(wú)精確解。 |
木蟲(chóng) (知名作家)
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木蟲(chóng) (知名作家)
鐵桿木蟲(chóng) (職業(yè)作家)
木蟲(chóng) (知名作家)
鐵蟲(chóng) (小有名氣)

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