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Decision Optimization CPLEX & For Watson Studio

Showing 103 of 15488

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 databas...
about 4 years ago in Decision Optimization CPLEX & For Watson Studio 0 Not under 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 varia...
about 4 years ago in Decision Optimization CPLEX & For Watson Studio 0 Not under consideration

Add a timestamp to iterations reported in the Engine Log of CPLEX Optimization Studio

Add a timestamp to the output of the Engine Log for iterations of the solver (LP/MIP) in addition to the already existing report of the objective value and GAP.
about 4 years ago in Decision Optimization CPLEX & For Watson Studio 0 Not under consideration

handle C,C++,C# Java, python CPLEX model with CPLEX server

The CPLEX server handle only OPL model. It should also provide the queing, load balancing, security and flexibility for all the other source of model written with Concert technology
about 4 years ago in Decision Optimization CPLEX & For Watson Studio 0 Not under consideration

OPL Script function to see which variables exist in model

Using OPL script, is it possible to know whether a given variable name exists in model ? For instance, something like model.contains("x") that would return true if x is a variable in model. If yes, is there any way of knowing the type and the indi...
about 4 years ago in Decision Optimization CPLEX & For Watson Studio 0 Not under consideration

Solve MPS, SAV, .... model file in CPLEX studio

LP file can be run in the IDE. great. but MPS or other type of file can not be
about 4 years ago in Decision Optimization CPLEX & For Watson Studio 0 Not under consideration

If conditions in pre-processing in .mod files

To maintain two (or more) similar models in one instead of in two (or more) separate .mod files, we need the possibility of using if conditions in pre-processing in .mod files without using execution blocks.
about 4 years ago in Decision Optimization CPLEX & For Watson Studio 0 Not under consideration

cpoptimizer interactive should display any var and expressions

CP Optimizer interactive should mimic CPLEX optimizer interactive for these two points 1. In Cp Optimizer command line, enable to display the value of an IloNumVar (floating point variables) and IloNumExpr2. enable write solution in a file
about 4 years ago in Decision Optimization CPLEX & For Watson Studio 0 Not under consideration

Get CPLEX-version directly from ILOG-script

We have code that has to run under 12.7.1 and older version. Unfortunately the API for warm-start has changed. We have either vectors.setStart(cplex); // 12.7.1 or vectors.setVectors(cplex); // 12.6 OPL misses a nice way to access the version numb...
about 4 years ago in Decision Optimization CPLEX & For Watson Studio 1 Not under consideration

Excel or/and .ods connector in OPL IDE on all platform

On Linux or Mac the only way to import data in the IDE is to write a custom OPLscript to inport a CSV file.
about 4 years ago in Decision Optimization CPLEX & For Watson Studio 0 Not under consideration

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