你好,我用MATLAB2010b运行MS-GARCH模型,结果显示
??? Error using ==> gamma
Input must be real and full.
Error in ==> swgarchlik at 163
ratio1 = (gamma((parameters'*m_nu1'+1)*.5))/gamma((parameters'*m_nu1')*.5);
Error in ==> nlconst at 819
f = feval(funfcn{3},x,varargin{:});
Error in ==> fmincon at 758
[X,FVAL,LAMBDA,EXITFLAG,OUTPUT,GRAD,HESSIAN]=...
Error in ==> mrsgarchestfor_con_all at 199
[parameters, LL(j,1)] = fmincon('swgarchlik', x0 ,A, b, [],[],lowerBounds,
upperBounds, [], options, data, errortype, flag1, constr);
请问这是怎么回事呢?该怎么修改呢?
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