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Decision Optimization CPLEX & For Watson Studio

Showing 99

Add a timestamp to iterations reported in the Engine Log of CPLEX Optimization Studio

Add a timestamp to the output of the Engine Log for iterations of the solver (LP/MIP) in addition to the already existing report of the objective value and GAP.
about 1 year ago in Decision Optimization CPLEX & For Watson Studio 0 Future 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 1 year ago in Decision Optimization CPLEX & For Watson Studio 0 Future consideration

CPLEX object create by oplrun and concert shall be equal

the CPLEX object created by an OPL model is not the same as tyhe CPLEX object created with concert technology.It creates limitation and complexity that prevent people to use OPL in many cases, such advance algorithms with call backs manual cuts......
about 1 year ago in Decision Optimization CPLEX & For Watson Studio 0 Future consideration

handle C,C++,C# Java, python CPLEX model with CPLEX server

The CPLEX server handle only OPL model. It should also provide the queing, load balancing, security and flexibility for all the other source of model written with Concert technology
about 1 year ago in Decision Optimization CPLEX & For Watson Studio 0 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 compiled...
about 1 year ago in Decision Optimization CPLEX & For Watson 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...
about 1 year 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.
about 1 year ago in Decision Optimization CPLEX & For Watson Studio 0 Future consideration

Implementation of iif indicator constraint in C API

We would like to be able to implement if-and-only-if indicator constraints in the C API.
about 1 year ago in Decision Optimization CPLEX & For Watson Studio 0 Planned for future release

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.
about 1 year ago in Decision Optimization CPLEX & For Watson Studio 0 Future 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 1 year ago in Decision Optimization CPLEX & For Watson Studio 0 Not under consideration