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Decision Optimization CPLEX & For Watson Studio

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saving data with a mouse-click instead of writing code through JDBC connector in CSV or other formats

I can currently browse it in the UI/IDE using the various inspectors. It would be nice if I could easily save this data to a file with a mouse click rather than having to write code, or add JDBC connections and rerun the model, etc. Typically what...
almost 3 years ago in Decision Optimization CPLEX & For Watson Studio / CPLEX Optimization Studio 0 Future consideration

Add TDNoOverlap constraint type to CP Optimizer

The TDNoOverlap constraint type is presented in chapter 7 of the Ph.D. thesis "A Constraint Programming Approach for the Time Dependent Traveling Salesman Problem", by Penelope Aguiar-Melgarejo https://hal.archives-ouvertes.fr/hal-01514369/documen...
about 5 years ago in Decision Optimization CPLEX & For Watson Studio / CPLEX Optimization Studio 0 Not under consideration

Allow initialisation using OPL of arrays within tuple sets

In OPL it is not possible to initialise an array which is within a set of tuples either through values or programmatically. An enhancement should be made to OPL to allow this. Consider: {string} Factors = {"a","b","c"}; tuple T_2 { key int i; int ...
about 4 years ago in Decision Optimization CPLEX & For Watson Studio / CPLEX Optimization Studio 0 Not under consideration

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 4 years ago in Decision Optimization CPLEX & For Watson Studio 0 Not under 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 4 years ago in Decision Optimization CPLEX & For Watson Studio 0 Not under consideration

Have a line number in OPL out of bounds errors

int E[i in 1..2]=2; int n=3; dvar int x[1..2] in 0..10; subject to { E[2] >=x[3]; x[1]<=2; } execute { writeln("ok") ; } gives an error but without line number. This is easy but in bigger models, it takes a lot of time to spot line numbers.
about 4 years ago in Decision Optimization CPLEX & For Watson Studio 0 Not under consideration

C-like printf function for OPL Script

Need a nice fct for displaying floats ? like printf('%.2f') . identation. number of decimals. for string as well. for arrays as well
about 4 years ago in Decision Optimization CPLEX & For Watson Studio 0 Not under consideration

support for date in OPL

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

In CPLEX studio; display DOcplexCloud solve as local solve

In the IDE (CPLEX studio), with a solve on DOcplexCloud is not display the same way as a local solve.That create lots of extra work to explore the input data, the constraint expressed and the result.
about 4 years ago in Decision Optimization CPLEX & For Watson Studio 0 Not under consideration

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

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