fminunc with a one-variable function

Jaroslav Hajek highegg at gmail.com
Thu Jul 23 13:38:22 CDT 2009


On Thu, Jul 23, 2009 at 5:32 PM, Jonathan Stickel<jjstickel at vcn.com> wrote:
> I see the following when I use fminunc to minimize a function of just one
> variable:
>
>  function F = theF(x)
>   F = x.^2 + exp(x);
>  endfunction
>  x0 = 1;
>  [xmin,fmin] = fminunc(@theF,x0)
>
> error: Invalid call to cholupdate.  Correct usage is:
>
>  -- Loadable Function: [R1, INFO] = cholupdate (R, U, OP)
>
>
> I know that there are other minimization functions that can be used for
> single-variable functions, but fminunc should work too.
>
> Thanks,
> Jonathan
>

Please try
http://hg.savannah.gnu.org/hgweb/octave/rev/5fcf008c7c41

-- 
RNDr. Jaroslav Hajek
computing expert & GNU Octave developer
Aeronautical Research and Test Institute (VZLU)
Prague, Czech Republic
url: www.highegg.matfyz.cz



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