IBM Data and AI Ideas Portal for Customers


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We invite you to shape the future of IBM, including product roadmaps, by submitting ideas that matter to you the most. Here's how it works:

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Decision Optimization CPLEX & For Watson Studio

Showing 103

Improve OPL Interfaces by providing dynamically typed API and a “façade” compatible with the .NET framework

Using OPL interface in .Net is cumbersome. Manipulate data elements object and result is far from being trivial.By example, instantiate an int look like that:OplDataSource dataSource = new MyCustomDataSource(oplF);internal class MyCustomDataSource...
over 1 year ago in Decision Optimization CPLEX & For Watson Studio 0 Not under consideration

Improve OPL Interfaces by providing field access infer by using the OPL model schema

Modify coefficient, adding variable, iterate on tupleset, modifiing dataElements and almost all operation in the OPL interface are really counter intuitive. Object uses by OPL are not directly compatible with the framework object. Ituple!= Tuple. ...
over 1 year ago in Decision Optimization CPLEX & For Watson Studio 0 Future 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...
over 1 year ago in Decision Optimization CPLEX & For Watson Studio 0 Future consideration

OPL interface for Matlab

Would be great to have not only a Matlab interface to CPLEX, but to OPL as well. It would facilitate. model deisgn (.mod) using OPL (way easier than working directly with CPLEX. model modification, re-run, post/pre-processing computations using a ...
over 1 year ago in Decision Optimization CPLEX & For Watson Studio 0 Future consideration

OPL csv import/export

Generating .dat is not that elegant.Importing/exporting from Excel is slow.Csv format is often used for other applications as well.
over 1 year ago in Decision Optimization CPLEX & For Watson Studio 0 Delivered

read solution from cpo file

For CP-Optimizer, it would be great to have the ability to read a given solution from a file and pass it to a cpo model as a starting point and also enable to check this solution feasibility
over 1 year ago in Decision Optimization CPLEX & For Watson Studio 0 Future consideration

Piecewise function with input as coordinate (x,y) of curve's points

the actual piecewise function in OPL takes as input abscissas and vector coefficient to construct the function.Many time people have user have the (x;y) coordinate. to do that you need to write OPL code to find the vector coefficient.Would be grea...
over 1 year ago in Decision Optimization CPLEX & For Watson Studio 0 Future 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.
over 1 year 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...
over 1 year ago in Decision Optimization CPLEX & For Watson Studio 0 Future 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.
over 1 year ago in Decision Optimization CPLEX & For Watson Studio 0 Future consideration