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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...
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.
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
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...
Currently (including the CPLEX 12.9 beta), the output from the populate method lists the number of solutions currently in the pool and the number of solutions "replaced". Use of the term "replaced" signals to the user that changes were made to the...
In the new multiobjective optimization support in CPLEX (Java API, but likely true in other APIs), querying status via IloCplex.getMultiObjInfo(IloCplex.MultiObjIntInfo.MultiObjStatus, ...) returns a numeric code (e.g. 107). This is difficult to i...
Add doopl in the CPLEX distribution on Watson Studio
relying on docplex python API got much easier since docplex was included in the CPLEX product. doopl which is a python package that allows to call OPL model from python code can be download from https://pypi.org/project/doopl/ but having doopl in ...
Have DO for DSX not only in DSXL but also in Watson Studio
DO for DSX help DSXL customers deploy optimization. With Watson Studio we have less flexibility to do that. We should have that available to ease adoption of Decision Optimization by Watson Studio customers
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