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Decision Optimization CPLEX & For Watson Studio

Showing 89

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 1 year ago in Decision Optimization CPLEX & For Watson Studio 0 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.
over 1 year ago in Decision Optimization CPLEX & For Watson Studio / CPLEX Optimization Studio 0 Future consideration

Automatic column generation

have an API or/and OPL command to do a Column generation on any problem.
over 1 year ago in Decision Optimization CPLEX & For Watson Studio 0 Future 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 compiled...
over 1 year ago in Decision Optimization CPLEX & For Watson Studio 0 Future consideration

Cplex.solveFixed() for OPL Script

Is there an equivalent of Cplex.SolveFixed() for OPL Script ?I'm looking for dual costs of a MILP.So I'd like to1) solve it to get the solution.2) solve the corresponding LP with fixed integer variables3) get dual costsI don't know in advance the ...
over 1 year ago in Decision Optimization CPLEX & For Watson Studio 0 Not under consideration

Enhance .NET API for maps

When attempting to use the reflection mechanism of OPL CPLEX API under .NET (version 12.9 but same problem seen in documentation of latest version), I stumble upon an error on my first implementation of a missing method "NbDim" for the map class "...
10 months ago in Decision Optimization CPLEX & For Watson Studio / CPLEX Optimization Studio 0 Future consideration

Add support for Java 11 in CPLEX java API

Currently, CPLEX and CPO provide a java API to the engines.This API currently supports Java 8 (IBM SDK and Oracle Java).A more recent versions of Java with LTS is Java 11 - It would be nice if CPLEX Optimization studio officially supports Java 11 ...

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...
over 1 year ago in Decision Optimization CPLEX & For Watson Studio / CPLEX Optimization Studio 1 Future consideration

OPL function to assign a initial value or fix te value to a variable

The only way to do a warm start is by using OPL script.it should be possible in the variable declaration to give a start value.the same way if you want to fix a variable to a value you need to 2 lines of code to fix the upper and lower bounds... O...
over 1 year ago in Decision Optimization CPLEX & For Watson Studio 0 Future consideration

graphical dash board of the search console/log

have graph to represent the node through-put, number of active node, memory consumed, CPUs usage
over 1 year ago in Decision Optimization CPLEX & For Watson Studio 0 Not under consideration