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宋飛的銅蟲 (正式寫手)
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[求助]
在matlab里用fmincon進(jìn)行優(yōu)化,出現(xiàn)以下問題
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在matlab里用fmincon進(jìn)行優(yōu)化,出現(xiàn)以下問題: %fmincon函數(shù)優(yōu)化 %%%%%%%%%%%%%%%%%%%%%%%%5 M-函數(shù)文件 function f= funH(cita1,cita2,cita3,a,b) U=[0.62 0.53 0.84]; V=[0.11 0.82 0.79]; f=sum(a.*(-1.0./cita1.*log(1+(exp(-cita1.*U)-1).*(exp(-cita1.*V)-1)./(exp(-cita1))))+b.*(exp(-((-log(U)).^cita2+ ... (-log(V)).^cita2).^(1./cita2)))+(1-a-b).*((U.^(-cita3)+V.^(-cita3)-1).^(-1.0/(cita3)))); %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%%%%%%%%主程序 x0=[1]; A=[]; T=[]; Aeq=[]; beq=[]; VLB=[1,1,0,0,0]; VUB=[inf,inf,inf,1,1]; [x,fval]=fmincon(@funH, x0, A, T, Aeq, beq, VLB, VUB), 運行后出現(xiàn): [u]??? Input argument "a" is undefined. Error in ==> funH at 9 f=sum(a.*(-1.0./cita1.*log(1+(exp(-cita1.*U)-1).*(exp(-cita1.*V)-1)./(exp(-cita1))))+b.*(exp(-((-log(U)).^cita2+(-log(V)).^cita2).^(1./cita2)))+(1-a-b).*((U.^(-cita3)+V.^(-cita3)-1).^(-1.0./(cita3))) Error in ==> fmincon at 574 initVals.f = feval(funfcn{3},X,varargin{:}); Caused by: Failure in initial user-supplied objective function evaluation. FMINCON cannot continue. |

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