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Decision Optimization CPLEX & For Watson Studio

Showing 68

sin function in OPL

tuple breakpoint // y=f(x) { float x; float y; } sorted { breakpoint } breakpoints={<i,exp(2*sin(i))> | i in 70..135}; I am trying to code this while because of no sin function in OPL, I am not able to code this on OPL.
over 5 years ago in Decision Optimization CPLEX & For Watson Studio / CPLEX Optimization Studio 0 Not under consideration

CPO interactive enhancement to write or query solution

CPO interactive misses some very useful command to simply query one solution value for a given variable with its name (allowing wildcards to display more variables) Today, the only way we can query a solution is through display solution command th...
over 4 years ago in Decision Optimization CPLEX & For Watson Studio / CPLEX Optimization Studio 1 Not under consideration

Consistent handling for exportModel(), writeMIPStarts() , etc

The handling where methods like e.g. exportModel() and writeMIPStarts() is not consistent and not intuitive. In case no absolute path is specifies, exportModel() always writes the file parallel to the mod-file. Whereas writeMIPStarts(), while star...
over 4 years ago in Decision Optimization CPLEX & For Watson Studio / CPLEX Optimization Studio 1 Not under consideration

OPL shall generate concert model with column API

OPL fails at building very large scale models due to the fact that it uses a "row api" of concert : Variables are created and added then to the range constraints. Unfortunately, such API can become dramatically slow for very large models, and buil...
over 6 years ago in Decision Optimization CPLEX & For Watson Studio / CPLEX Optimization Studio 0 Not under consideration

Interface between CPLEX and FORTRAN

Since FORTRAN is one of the TOP20 programming languages in the TIOBE index (https://www.tiobe.com/tiobe-index/), I suggest that IBM create mixed-integer linear programming models with CPLEX and FORTRAN. I have not found a library similar to Concer...
over 3 years ago in Decision Optimization CPLEX & For Watson Studio / CPLEX Optimization Studio 0 Not under consideration

Scenario Migration tool

A good step to help DOC users migrate to DODS would be a simple Scenario migration tool that would extract scenario data from DOC and import into DODS. An option to also "export DOC Scenario(s) as CSV" could help administrators import the DOC data...
almost 7 years ago in Decision Optimization CPLEX & For Watson Studio / Decision Optimization for Watson Studio 1 Not under consideration

Add DOcplexCloud in the WDP Admin Console/ compute service

In the WDP admin console you don't have the DOcplexCloud servcie that appears. It is one of the compute service provided by IBM for Analytics
almost 7 years ago in Decision Optimization CPLEX & For Watson Studio 0 Not under consideration

Automatic sync between notebook and Model Builder Python code

Avoid the frequent and confusing reinitialize of the Model Builder Python code and the source notebook by automatically updating the Model Builder Python code from the notebook.
over 5 years ago in Decision Optimization CPLEX & For Watson Studio / Decision Optimization for Watson Studio 1 Not under consideration

Jupyter notebook as a DO dashboard page

Similar to using a notebook as a source for optimization code, allow the user to write a notebook that contains visualization components for a dashboard page.Ideally, have an ability per cell to hide the cell, the output or both from the dashboard...
about 6 years ago in Decision Optimization CPLEX & For Watson Studio / Decision Optimization for Watson Studio 1 Not under consideration

CPO Cumul function enhancement

Our COLA project Optimisation model concerns cyclic scheduling (an object is to be built every constant X amount of time) using cumul functions. Today we need to create intervals for every object to be build in order to calculate cumul functions f...
about 4 years ago in Decision Optimization CPLEX & For Watson Studio 0 Not under consideration

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