Forum
Topics that are not productspecific, related to modeling and solving MP problems, including best practices.
This forum has been locked.
Log in to start a topic.Topics  Replies  Likes  Latest Post  
Pinned topic 
WELCOME TO THE IBM ILOG MATHEMATICAL PROGRAMMING FORUM [Locked] 
0 

20091224T22:55:19Z  
Started by
SystemAdmin

By
SystemAdmin


Unanswered question 
OPLScript or C++ Concert Technology? 
2 

20170713T06:09:07Z  
Started by
rezir


Unanswered question 
How to does a UserCutCallback Work 
8 

20170706T15:09:54Z  
Started by
prasenjit mandal


Unanswered question 
Implementing a non linear function into a constraint 
34 

20170703T16:44:33Z  
Started by
VYSN_Kai_Kühnel


Unanswered question 
Comparison of BranchandBound and Branchandcut 
1 

20170703T16:29:17Z  
Started by
prasenjit mandal


Unanswered question 
How to implement CPLEX defined cuts only at Root Node 
4 

20170629T13:42:01Z  
Started by
prasenjit mandal


Unanswered question 
How to find the number of nodes from the Node log 
4 

20170620T10:08:49Z  
Started by
prasenjit mandal


Answered question 
Combine Annotated Benders and Branch and Cut 
5 

20170614T01:46:16Z  
Started by
Lee20160907

By
Lee20160907


Unanswered question 
Absolute value in constraint : x1x2x3<=0 
6 

20170613T08:53:03Z  
Started by
devos1

By
devos1


Error with addMIPStart 
9 

20170607T06:31:58Z  
Started by
SystemAdmin


Unanswered question 
about the strong branching on Capacitated VRP 
1 

20170607T06:27:03Z  
Started by
AndrewCpx


Unanswered question 
Problem when adding an objective fnction 
5 

20170531T13:56:27Z  
Started by
devos1

By
devos1


Unanswered question 
Where is uncertainty toolkit 
1 

20170526T17:54:46Z  
Started by
hamedfazelm


Unanswered question 
Some advice sought for repeated QP solving For Bundle Method 
2 

20170511T14:52:26Z  
Started by
jmogali

By
jmogali


Unanswered question 
While writing a solution, I have special characters when my decision variable is integer or float. Why is that so and how t… 
1 

20170502T16:34:51Z  
Started by
BhavnaJha


Answered question 
My model sometimes makes a beug 
10 

20170425T19:33:13Z  
Started by
Rym

By
Rym


Unanswered question 
How to read a 3D parameter from excel sheet? 
4 

20170425T08:54:06Z  
Started by
BhavnaJha


Unanswered question 
How to feed a user defined "Best Integer" bound while starting a BranchandCut procedure… 
3 

20170425T08:29:14Z  
Started by
prasenjit mandal


Unanswered question 
how to do large number of variables and constraints 
1 

20170425T08:24:45Z  
Started by
violets


Unanswered question 
how to get integer feasible solution 
1 

20170425T08:22:34Z  
Started by
violets


Unanswered question 
Problem with objective function 
1 

20170425T07:59:55Z  
Started by
Rym


Unanswered question 
How do I identify which constraint is causing infeasibility? 
1 

20170421T14:25:29Z  
Started by
BhavnaJha


Unanswered question 
Why is my solution not sensitive to changing objective coefficients? 
3 

20170415T03:29:21Z  
Started by
BhavnaJha

By
MachexC


Unanswered question 
contraint problem  cplex machine scheduling 
1 

20170409T17:10:55Z  
Started by
jinsad


Unanswered question 
internal error (Please notify IBM) 
2 

20170309T01:18:21Z  
Started by
emillarsen


Answered question 
Screen Goals Customization 
2 

20170306T17:11:34Z  
Started by
CamilaSalles

By
CamilaSalles


Answered question 
Convexity problem 
6 

20170228T14:45:21Z  
Started by
Rym

By
Rym


Answered question 
How can I write variation minimization problem 
4 

20170221T13:25:08Z  
Started by
kanamitz@jp.ibm.com


Answered question 
Using decision variables as indices to arrays 
7 

20170220T08:39:51Z  
Started by
seg.fault


Answered question 
problem with power function in a constraint 
1 

20170123T11:37:02Z  
Started by
Rym

By
Rym


Answered question 
objective is not convexe :error 5002 
15 

20170121T18:34:28Z  
Started by
Rym


Answered question 
Reusing solution 
4 

20170120T13:02:37Z  
Started by
qlabb01

By
qlabb01


Answered question 
combining two constraints in one only 
2 

20170120T12:56:24Z  
Started by
Rym

By
Rym


Unanswered question 
combine cplex and netbeans 
1 

20170119T13:08:14Z  
Started by
abbasomidi


Unanswered question 
how whrite set expression when creating the model 
1 

20170112T13:36:26Z  
Started by
Rym


Unanswered question 
How to create a ILOUSERCUTCALLBACK() with more than 7 arguments 
1 

20170109T06:58:55Z  
Started by
prasenjit mandal


Unanswered question 
Impact of Coefficients and RHS on Solution 
0 

20170105T18:06:02Z  
Started by
Intellian

By
Intellian


Answered question 
Xcode c++ and Cplex 
34 

20170104T09:49:07Z  
Started by
SystemAdmin


Unanswered question 
Heuristics for TSPTW nearest neighbor 
2 

20161206T17:17:09Z  
Started by
kakishrami


Answered question 
TSPTW(Travelling Salesman w Time windows) Source code in OPL 
5 

20161206T05:19:12Z  
Started by
kakishrami


Unanswered question 
CPLEX academic licence for shared cluster 
1 

20161130T16:25:26Z  
Started by
damienpicard

By
Xavier.Nodet


Answered question 
Logic contraints on general integer variables 
1 

20161108T13:32:41Z  
Started by
JorisK

By
JorisK


Unanswered question 
Cplex IDE for Mac 
1 

20160907T07:36:03Z  
Started by
BernhardSchmidt


Unanswered question 
CPLEX Mathematical Model 
1 

20160823T23:51:48Z  
Started by
kashifjadoon


Unanswered question 
help 
5 

20160823T15:55:25Z  
Started by
kindbright

By
John Cui


Answered question 
an eeror solution to mip 
3 

20160817T02:15:33Z  
Started by
RainLee

By
RainLee


Unanswered question 
Matlab convert to CPLex 
1 

20160701T06:46:27Z  
Started by
Dranzer1410


Answered question 
How to acess the previous online manual 
2 

20160618T13:20:37Z  
Started by
Kunlei

By
Kunlei


Answered question 
How to transform a big M into an SOS constraint ? 
5 

20160613T19:33:56Z  
Started by
Zoubeir

By
PaulRubin


How to avoid duplicate columns in column generation problems 
2 

20160610T09:20:57Z  
Started by
RajaniK

By
nhanquy
