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Decision Optimization CPLEX & For Watson Studio

Showing 85 of 12711

Have atoi and itoa in OPL

Today in OPL, ftoi is quite useful to convert float to int.What would help is to do conversions between int and string in order to be able to process strings as inputs or compute inputs.What we miss is atoi and itoa
about 1 year ago in Decision Optimization CPLEX & For Watson Studio 0 Future consideration

Run optimization solver invocations in parallel

Extract from SAS PROC OPTMODEL COFOR new feature:Be able to run optimization solver invocations in parallel, in iterations of a concurrent FOR loop that is specified using the COFOR statement. The COFOR statement operates in the same manner as the...
about 1 year ago in Decision Optimization CPLEX & For Watson Studio 0 Future consideration

Calling external .NET code from OPL

Offers a way to interact with external code written in .NET from OPL.This feature would allow us to:• write a complex dedicated OR algorithm (such as a shortest path or flow algorithm) to be used as one step of a decomposed application• connect yo...
about 1 year ago in Decision Optimization CPLEX & For Watson Studio 0 Future consideration

Remove constand offset variable if it equals zero

Exporting an LP-file creates a fixed variable representing a constant offset. For many users, this is often zero, so it shuld be optional or not appearing if the offset is zero.cf. https://www.ibm.com/developerworks/community/forums/html/topic?id=...
about 1 year ago in Decision Optimization CPLEX & For Watson Studio 0 Future consideration

Automatic column generation

have an API or/and OPL command to do a Column generation on any problem.
about 1 year ago in Decision Optimization CPLEX & For Watson Studio 0 Future consideration

Add Java perspective in the CPLEX Studio (IDE)

As in DOC, CPLEX studio should have a perspective with Java.In the install the IDE should be ready to use CPLEX, CPO, OPL and install the Java SDK....It would make so much sense to have everything ready in one IDE OPL Java (with cplex.jar, cp.jar....
about 1 year ago in Decision Optimization CPLEX & For Watson Studio 0 Future consideration

Constraint filtering in the problem browser

when you review the expression of the constraint from the problem browser, to see what constraint has been written from your code.the view allows to filter to some variables, order the display can be changed and display only the constraint that ar...
about 1 year ago in Decision Optimization CPLEX & For Watson Studio 0 Future consideration

Dump Data into file with Setting

Being able to export the external data of a model to a .dat file with one click.I suggest an option in the .ops under language/Run.The best would be to right click on the .dat file (with the connection to file, DB or Excel) and have an export opti...
about 1 year ago in Decision Optimization CPLEX & For Watson Studio 0 Future consideration

Adding a warning when a data source are not populate in a model

Once data elements are read once, adding a new data source has no effect. A warning that tells that adding a new data source after had no effect will help to debug. Here is an example. The observe problem was that no data where send to the ...
about 1 year ago in Decision Optimization CPLEX & For Watson Studio 0 Future consideration

Create IloAddable::setObject() in Java API

In the C++ API, there is the method IloExtractable::setObject()In the Java API, there is no equivalent on IloAddable. This is needed because it is useful to create a new IloIntVar from cplex.intVar(), and then associate a Java object to that vari...
about 1 year ago in Decision Optimization CPLEX & For Watson Studio 0 Future consideration