Re: [Help-glpk] timing

[Serveh Shalmashi]

glpk xypron wrote:
> Hello Sereh,
>
> the use of GLPK in Octave is described at
> http://www.gnu.org/software/octave/doc/interpreter/Linear-Programming.html#Linear-Programming
>
> When calling function
> glpk (c, a, b, lb, ub, ctype, vartype, sense, param),
> please, set param->msglevel to 2 or 3 and check if the
> the output is sufficient.
>
> Consider calling the function time() before and after
> calling glpk().
>
> If your problem remains unsolved, please, send a message
> to address@hidden
>
> Best regards
>
> Xypron
>
>
> -------- Original-Nachricht --------
>   
> > Datum: Thu, 11 Mar 2010 21:12:20 +0300
> > Von: Serveh Shalmashi <address@hidden>
> > An: address@hidden
> > Betreff: [Help-glpk] timing
> >     
>
>   
> > Hi,
> > I am using Octave as an interface for GLPK to solve an MIP problem, and 
> > I need to  know how much time it spend to solve  one optimization 
> > problem and how many iteration or flops it uses to solve the problem.
> > I already checked the help the only thing I found for time was to add 
> > EXTRA in output of the function I used it but the given output time is 
> > really small and strange but I could not find any thing for number of 
> > iteration.
> > Can you guide me in that matter?
> > Bests,
> > Serveh
> >     
>
>   
hi ,
one more question, what is the precision for extra.time in  [xmin, fmin, 
status, extra] = glpk (c, a, b, lb, ub, ctype, vartype, s, param)
because for every instance of  my MIP problem, I just get zero for time 
in a case I get the feasible solution.
bests,
Serveh