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Questions tagged [ilog]

Recently purchased and rebranded by IBM as Websphere JRules, ILog JRules is the former name of a suite of tools used to create and run rule-based applications.

Recently purchased and rebranded by IBM as Websphere JRules, ILog JRules is the former name of a suite of tools used to create and run rule-based applications.ILOG is available for both java and .net platforms.Rules can be authored in Rule Studio ( powered by eclipse ). ILOG can be downloaded as a 90 days trial version which consists of the rule studio , a rule team server and a rule execution server. ILOG makes use well know rule execution algorithms like RetePlus algorithm.The rules can also be edited in MS Office Word,which further makes the life life is business users easy,thus minimizing the IT intervention.

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JRule is showing all sorts of error in rule team server , but works good in Rule Studio

I have a small rule which is running propely in Rule Studio when I tested with DVS. Now I deployed the rule to rule team server and when I opened the same rule in RTS. Its showing me all sorts of errors !. I am sure the error is not with the code,it…
Tito
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Exception from IBM ILOG concert: can not read data from excel

I am using IBM Cplex studio IDE to solve an optimization problem called location set covering problem with backup, I have coded the model and solved it for a small problem, which works fine. When I am embarking a large datasets from excel (more than…
Eric E Sättar
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IBM CPLEX ILOG Error : "Excel: size of the range is not the size of the array"

I am connecting to excel for solving a problem. I had used the same .mod file to solve a example with 5 rows of excel data. Now I am trying with an excel of 266 rows of data. I get an error "Excel size of range is not the size of the array" for the…
CallMeMeow
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How to connect C-PLEX 12.8 with MATLAB 2016.a.?

I would like to know how to connect the MATLAB and C-PLEX since in C-PLEX variable overflow occur while running large problems.
haripriya
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constraints with integrals in CPLEX

I'm working on a cplex model and I'm getting stuck on two constraints that contain integrals. (Im using cplexsoftware and not java or python) Any idea or It's impossible to use integrals and only summation? thank you in advance
Charmante
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Reversing indices of decision variable in a costraint ilog cplex

There are three process units that can transfer mass among each other. I am using two indices i in I and j in J to denote the flow between the three units and the values for flow from unit i to unit j is given by the decision variable supply[I][J].…
DKumar
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How do I use object from a Master problem model in my Subproblem objective function for the column generation approach

I am having issues with updating the reduced costs for the objective function of my subproblem which looks like so Pricing subproblem formulation Each Greek letter (pi, rho, and mu) are duals of the master problem formulation. When making the duals…
Advaith Krishnan
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Problem with reading Excel file in CPLEX OPL

I have a problem with reading the data from the excel file and getting the error message "Exception from IBM ILOG Concert: Problem accessing the Excel file". I am using the Cplex Version: 12.6.2.0 and my excel version is 2013. I also tried on…
sorour
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Why am I getting a seg fault with ILOG CP Optimizer

I am brand new to constraint programming and am trying to model my first problem as a constraint program using the ILOG CP Optimizer. I've installed ILOG Optimization Suite 20.1 and have successfully compiled and run many of the included example…
NateA
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IBM CPLEX - Warehouse location CP

I'm trying to run the scalablewarehouse example from IBM, with the CP algorithm, but when I add the using CP; to the mod file, I get an error on this line: dvar float Supply[Stores][Warehouses] in 0..1; And the error: Decision variables of type…
drec4s
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Why I receive an error when I apply "while" in cplex concert technology in c++?

I am using CPLEX concert technology in C++. As you can see in the code, when I want to employ "while" with the expression "LP-LB <=0", I face with the error of "expression must have bool type". What's the problem? If you need the whole parts of the…
PedBel
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Is there a way to check feasibilty for given values of decision variables in CPLEX?

right now I am trying to implement a particle swarm optimization algorithm in CPLEX to solve a Vehicle Routing Problem with a large number of customers. Firstly, I wrote an optimization model in OPL that is now able to get solutions for smaller…
Arctic_Skill
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Generating all subsets in CPLEX (subtour elimination)

Currently I am trying to model the Dantzig Fulkerson Johnson Subtour elimination constraints in CPLEX. I want to generate all the possible subsets of customers {"1", "2", "3", "4"} in ILOG Script. For this, first I created a tuple structure that…
Arctic_Skill
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ILog with OpenJDK

I am currently using IBM Decision Optimization Center V3.8 to create model file and recently changed to use OpenJDK. Can I ask whether will IBM Decision Optimization Center V3.8 work with OpenJDK? I am using HTCondor to run the model file and the…
xxestter
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Time Measurement Unit in CPLEX

In IBM ILOG CPLEX model I use "MyCplex.getCplexTime()" for measuring the time but it gives output as "time:2338551.031". I couldn`t figure out the unit of it. Is there any code to get time in seconds?
BBiskin
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