Originally posted by: SystemAdmin

[UDOPS said:]

So, I am studying the Cut Stock, column generation example. The need for a few lines is not clear to me. These lines are:

var masterData = thisOplModel.dataElements;

var masterRC = new IloOplRunConfiguration(masterDef,masterData);

masterData.Patterns.add(masterData.Patterns.size,1,subOpl.Use.solutionValue);

Why is there a need to create variable masterData? Why not use "thisOpleModel.dataElements" in its place? Why construct a new configuration, "masterRC"? Why not just run "thisOplModel" ? In general, why are duplicates of exising model elements created, when the original source elements are not used directly? It seems duplicative.

Is the correct interpretation of masterData that it is a handle to an existing object, and not a new object in its own right?
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