SCIP options in YALMIP

[Paul Gab]

Dear all,

I am working with Matlab and I am exploring SCIP to solve a simple MINLP.

However, I am having some problems with the solver options: 

Whereas the fields in options.scip (e.g. "maxtime", "maxnodes") work perfectly, all the options that I try to pass to through "scipopts", such as "limits/gap", are simply ignored by the solver.

I have tried to read through the SCIP documentation, as well as through the "scipset" file, but I do not understand why it does not work.

Do you know how to pass such options to the solver?

Many thanks for your help! 

[Johan Löfberg]

scipopts? there is no such option

>> ops = sdpsettings('solver','scip');

>> ops.scip

ans = 

  struct with fields:

         solver: 'auto'

        maxiter: 1500

       maxfeval: 10000

       maxnodes: 10000

        maxtime: 1000

        tolrfun: 1.0000e-07

        tolafun: 1.0000e-07

         tolint: 1.0000e-05

     solverOpts: []

    dynamicOpts: []

        iterfun: []

       warnings: 'critical'

        display: 'off'

     derivCheck: 'off'

[Johan Löfberg]

you probaly want to do

ops.scip.solverOpts=scipset('scipopts',{'limits/solutions',1})

or something like that. weird structure but that's how opti works it appears