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Search results: CPLEX Optimization Studio

Showing 11 of 2943

Add support for .NET 6 and Linux OS in CPLEX APIs

We developed a product based on .NET 6 that relies on CPLEX core functionalities and we need to make it run both on Windows an Linux operating systems. The .NET 6 libraries are platform independent but the CPLEX Optimization Studio only provides a...
about 3 years ago in CPLEX Optimization Studio / CPLEX Optimization Studio 0 Future consideration

OPL language enhancements : cannot slice with nested constraints on subTuples

I've been a happy user of OPL language, which has lots of wonderful features. However, there is one remaining recurrent issue in data modeling, which prevents some intuitive modeling. This is called "cannot slice with nested constraints on subTupl...
over 5 years ago in CPLEX Optimization Studio / CPLEX Optimization Studio 1 Not under consideration

Add maximal delay constraint for startBeforeStart, startBeforeEnd, ... constraints

I often have a constraint between interval variables that limit the maximum delay between the start/end and start/end of interval variables. I'd like a native, efficient method for implementing this constraint. I currently use constraints using fu...
over 1 year ago in CPLEX Optimization Studio / CPLEX Optimization Studio 0 Submitted

Ability to control cplex memory consumption

Nowadays optimization runs are more and more conducted in the cloud, in kubernetes environments. In kubernetes, the processes run inside containers in what are called pods. To prevent a pod to be killed when the node (machine) capacity is exceeded...
over 1 year ago in CPLEX Optimization Studio / CPLEX Optimization Studio 0 Submitted

In OPL ODBC connection, add a setting for batch size

The prebuilt ODBCConnection allows OPL to access databases using ODBC. One way to optimize database access is to tune the execution batch size. With older versions of OPL that included DBLink, this was the dbUpdateBatchSize parameter.
almost 4 years ago in CPLEX Optimization Studio / CPLEX Optimization Studio 1 Future consideration

CPLEX: Make adding mulitple objectives consistent with adding one objective

In the Java API for CPLEX (presumably similar in other APIs), it is possible to create an objective and add it to a model in one function call, using overloads of IloCplexModeler.addMinimize() and .addMaximize() that take an IloNumExpr argument. D...
about 5 years ago in CPLEX Optimization Studio / CPLEX Optimization Studio 1 Not under consideration

ODBCUpdate function needed

On the recent versions of cplex we have functions like ODBCRead and ODBCPublish for data management on Data bases engines, but it is also necessary to have a function like ODBCUpdate which corresponds to the old one DBUpdate function which allows ...
over 3 years ago in CPLEX Optimization Studio / CPLEX Optimization Studio 0 Future consideration

Incumbent callbacks during polishing

I keep hitting this issue where I have to use something like an incumbent callback from CPLEX in order to report progress, use a custom stopping criterion, save intermediate solutions, etc. This works fine in normal CPLEX B&B, but it seems tha...
almost 7 years ago in CPLEX Optimization Studio / CPLEX Optimization Studio 2 Delivered

OPL shall generate concert model with column API

OPL fails at building very large scale models due to the fact that it uses a "row api" of concert : Variables are created and added then to the range constraints. Unfortunately, such API can become dramatically slow for very large models, and buil...
over 7 years ago in CPLEX Optimization Studio / CPLEX Optimization Studio 0 Not under consideration

CPO interactive enhancement to write or query solution

CPO interactive misses some very useful command to simply query one solution value for a given variable with its name (allowing wildcards to display more variables) Today, the only way we can query a solution is through display solution command th...
over 5 years ago in CPLEX Optimization Studio / CPLEX Optimization Studio 1 Not under consideration

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