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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 ...
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...
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 indic...
Manipulating Date in OPL is tedious. One needs to load them as string, then use script to convert them in date and access fields of this script object (month / year ...). Furthermore, it is not even possible to create a Date from a string in scrip...
Function to Add tuple to a set in OPL not only in OPLscript
Have an OPL fucntion to add tuple to a set.It will avoid to use OPL script to populate them whish is slow and increase complexity of modeling.A work around that I use it to create identical Set of tuple in OPL and use OPLscript to just copy them i...
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
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