[FlopCpp] Set a QP on FlopC++

[S T]

Tim,
do you plan to add QP support? Or do you know another C++ modeling language
that supports QP? It would be very nice, in order to apply FlopC++ to
dynamical system control (optimal control).

Thanks.

Best regards,
Sergio

On Fri, Jun 19, 2009 at 3:22 PM, Tim Hultberg <Tim.Hultberg at eumetsat.int>wrote:

>  Hi Sergio,
>
>     flopc++ does not support quadratic programming (but probably it
> wouldn’t be very hard to add it)
>
>
>
> Cheers, Tim
>
>
>
> PS If  it did, sum((i,j),u(i)*H(i,j)*u(j)) should probably be sum(S(i,j),u(i)*H(i,j)*u(j))
> where S is some two diemsional subset or sum(i,sum(j,u(i)*H(i,j)*u(j)))
>
>
>
> *From:* flopcpp-bounces at list.coin-or.org [mailto:
> flopcpp-bounces at list.coin-or.org] *On Behalf Of *S. T.
> *Sent:* Friday, June 19, 2009 3:10 PM
> *To:* flopcpp at list.coin-or.org
> *Subject:* [FlopCpp] Set a QP on FlopC++
>
>
>
> Hi all,
>
>
>
> I'm Sergio from DII-University of Siena (www.dii.unisi.it). I'm new to
> FlopC++.
>
> I am trying to implement a Quadratic Progamming model in FlopC++ language.
>
>
>
> I have problems in compiling code (and probably I have problems
> understanding variable/data in FlopC++).
>
>
>
> The Objective Function is this:
>
>
>
>        J=0.5*sum((i,j),u(i)*H(i,j)*u(j)) + sum(i,x(i)*sum(j,F(i,j)*u(j)));
>
>
>
> where
>
>        enum {u1,u2,u3,u4,u5,u6,u7,u8,u9,u10,horizon};
>
>        MP_set i(horizon);
>
>        MP_set j(horizon);
>
>
>
>        MP_data H(i,j);
>
>        MP_data G(i,j);
>
>        MP_data F(i,j);
>
>        MP_data S(i,j);
>
>        MP_data W(j);
>
>        MP_data x(i);
>
>
>
>   Then I call a minimize(J) function.
>
> Also I apply constraints with success when compiling. Where I am wrong? Do
> you need some other informations?
>
>
>
>   Thanks,
>
>
>
>   Sergio
>
> DII-UniSI
>
> Siena (Italy)
>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://list.coin-or.org/pipermail/flopcpp/attachments/20090621/205856ed/attachment.html