??? Error using ==> svd
Input to SVD must not contain NaN or Inf.

Error in ==> pinv at 29
   [U,S,V] = svd(A,0);

Error in ==> qpsub at 461
                    projSD = pinv(projH)*(-Zgf);

Error in ==> nlconst at 680
        [SD,lambda,exitflagqp,outputqp,howqp,ACTIND] ...

Error in ==> fmincon at 758
    [X,FVAL,LAMBDA,EXITFLAG,OUTPUT,GRAD,HESSIAN]=...

Error in ==> garchfit at 904
[coefficients,logL,exitFlag,output,lambda] = ...

Error in ==> ceshi2 at 31
                       [EstSpec,EstSE,logL,e,sigma,summary] = garchfit(spec1,ts);

部分代码：
spec1=garchset('P',p,'Q',q,'R',r,'M',m,'Display','off');
                       [EstSpec,EstSE,logL,e,sigma,summary] = garchfit(spec1,ts);
                       NumParams=garchcount(EstSpec);
                       [aic,bic]=aicbic(logL,NumParams,length(ts));