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IBM Data and AI Ideas Portal for Customers


This portal is to open public enhancement requests against products and services offered by the IBM Data & AI organization. To view all of your ideas submitted to IBM, create and manage groups of Ideas, or create an idea explicitly set to be either visible by all (public) or visible only to you and IBM (private), use the IBM Unified Ideas Portal (https://ideas.ibm.com).


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Welcome to the IBM Ideas Portal (https://www.ibm.com/ideas) - Use this site to find out additional information and details about the IBM Ideas process and statuses.

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Decision Optimization CPLEX & For Watson Studio

Showing 103 of 14752

Nonlinear solver for CPLEX

Add nonlinear optimization capability to CPLEX. Many real-life models are nonlinear by nature. CPLEX solver requires a linear model to work. A good nonlinear solver can often times overperform a linearized form of a real-life model. Having a nonli...
over 6 years ago in Decision Optimization CPLEX & For Watson Studio / CPLEX Optimization Studio 1 Future consideration

Implement nonconvex quadratic constraints in CPLEX

CPLEX already supports nonconvex quadratic objectives, but not yet constraints, even though they bring a lot of flexibility in modelling.
about 4 years ago in Decision Optimization CPLEX & For Watson Studio / CPLEX Optimization Studio 0 Future consideration

Make CP cumulFunction and expressions accept float instead of int

cumulFunction and expressions currently only allow the resource usage to be int which is not useful for all resource types. Whilst a workaround of multiplying the int by a large number to approximate the float is possible there are limitations and...
over 3 years ago in Decision Optimization CPLEX & For Watson Studio 0 Not under consideration

OPL port for z/OS

We are looking at CPLEX on zOS.Today, only compiling a C++ program can be used to drive CPLEX on the z platform. It would be much easier to be able to inject OPL directly in (concert, part of ) CPLEX for z/OS.
over 3 years ago in Decision Optimization CPLEX & For Watson Studio 0 Future consideration

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 MyCustomDataSour...
over 3 years 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 3 years ago in Decision Optimization CPLEX & For Watson Studio 0 Not under consideration

OPL language enhancements : cannot slice with nested constraints on subTuples

I've been a happy user of OPL language, which has lots of wonderful features. However, there is one remaining recurrent issue in data modeling, which prevents some intuitive modeling. This is called "cannot slice with nested constraints on subTupl...
about 4 years ago in Decision Optimization CPLEX & For Watson Studio / CPLEX Optimization Studio 1 Not under consideration

Extend CPLEX for Matlab to support the Matlab Compiler

CPLEX for MATLAB is an extension to IBM® ILOG® CPLEX Optimizers that allows a user to define optimization problems and solve them within MATLAB's development environment. However, an optimisation module developped with CPLEX for MATLAB and compile...
over 3 years ago in Decision Optimization CPLEX & For Watson Studio 0 Not under consideration

Tuning Tool should work for CP as well as CPLEX

The Tuning Tool only works for CPLEX. It should also be made to work for CP.
over 3 years ago in Decision Optimization CPLEX & For Watson Studio 0 Not under consideration

Produce log during OPL Extract phase similar to Solve Engine Log

Many OPL real-world optimisations spend a large proportion of the overall solve time performing extraction/generation and there is no log of what is happening during this time. There should be a log produced during Extract similar to the Engine Lo...
over 3 years ago in Decision Optimization CPLEX & For Watson Studio / CPLEX Optimization Studio 1 Not under consideration