Xpress-MP

This Xpress community forum has been relocated to the FICO Decision Management Community. http://

Hi all, I have been using the "mmsp" module for solving a multistage recourse model. I have

I . "I confess it's a bit uncomfortable to install and keep another OS just to run Xpress

I'm getting the error E-1013 Infeasible constraint in my model with code on line 78: "sum(l

Hello What is the difference between XPRS_TOP and XPRS_LIN? Thanks

Hi guys I need some help. I have a file with both numeric and character data. and i imported these to

I am not sure if I did understand the question... but if what you want is to load an array from a dat

Hey! Please, if somebody knows anything to this problem, help me! Best regards, Mags On 14 Apr., 15:

Hi, I have used Xpress in my dissertation and must interpret my results properly. In the book as well

The library APIs are currently only available through the Academic Partner Program which grants full

Hello! I'm a PhD student and I don't how to see if there are alternative solutions to a given

Good afternoon I have a doubt about the student version of xpress MP. I want to know if the student

Good afternoon I have a doubt about the student version of xpress MP. I want to know if the student

Dear all, We are trying to lead the branching variable in the B&B performed by XPRESS. To this

Hi Patrizia, I think the studentversion of Xpress could deal with this size, but I am unsure. Please

Is there anybody that can help me graphing stacked columns (thats what they call it in MS excel) in

Hi, I think what you are looking for is a list, not a set. In a list you may add and remove elements

Hi, for your first problem: By defining Z(q,0)=Z0(q) you do not set an initial solution, but create a

First, thank you for your answer. Actually, I wanted to create files in a benchmark-session, like

Hi all, I have a multistage mixed integer recourse model in xpress. In order for me to evaluate my

Hi all, I have been using XPress-MP to solve mixed integer linear problems but unfortunatelly can

The SP module is now available for free, along with the source. http://www.dashoptimization.com/home/

Hola! Quisiera saber si existe alguna manera de que Xpress-MP resuelva problemas cuya función

Yes; but when you say in the model "forall(i in 1..100) x(i) is_binary" you are implying

Hi, folks, I am building several location models and desires to embed maps within the Xpress, has any

I'm not sure what you mean. I'm quite new at this. Could you explain further? Thanks for

Hi, My first post in this forum. Hope this group is still active. I have a Mosel model built and

Hi, I am getting started with Xpress-Mosel. I am not sure if in the student version can model a Non

Gracias Christian... Efectivamente el problema es que tu dices. Finalmente descubrí el problema: Es

Hi, I am new to Xpress, I have a model which is giving me an infeasible solution. Therefore, I tried

I need to state some constraints like this: |ab| = 1 I linearized them by using binary dummy