MIMo

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    simona
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    Hi,
    I have a MIMO plant with 189 inputs, 357 states and 2 outputs. I am trying to get the fractional order plant using the FOMCOM toolbox but I have the fallowing error.
    Can you you advise me?
    Many thanks.

    Error using lsqncommon (line 67)
    The Levenberg-Marquardt algorithm does not handle bound constraints and the trust-region-reflective
    algorithm requires at least as many equations as variables; aborting.

    Error in lsqnonlin (line 240)
    lsqncommon(funfcn,xCurrent,lb,ub,options,defaultopt,caller,…

    Error in fid (line 401)
    [x_opt, resNorm, res] = lsqnonlin(@(x) fracidfun(x,y,u,t,opt), …

    Error in fid_ (line 60)
    [a,na,b,nb,L,Gid] = fid(in_args{1:fidNumArgs-1}, op);

    Error in fotfid>btnIdentify_Callback (line 291)
    [a, na, b, nb, L] = fid_(fs, {optK, optL}, idd, nPoints, …

    Error in gui_mainfcn (line 95)
    feval(varargin{:});

    Error in fotfid (line 24)
    gui_mainfcn(gui_State, varargin{:});

    Error in
    matlab.graphics.internal.figfile.FigFile/read>@(hObject,eventdata)fotfid(‘btnIdentify_Callback’,hObject,eventdata,guidata(hObject))
    Error while evaluating UIControl Callback

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