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Search results: CPLEX Optimization Studio

Showing 26 of 1107

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... ...
about 5 years ago in CPLEX Optimization Studio 0 Not under consideration

Add doopl in the CPLEX distribution on Watson Studio

relying on docplex python API got much easier since docplex was included in the CPLEX product. doopl which is a python package that allows to call OPL model from python code can be download from https://pypi.org/project/doopl/ but having doopl in ...
about 5 years ago in CPLEX Optimization Studio / CPLEX Optimization Studio 1 Planned for future release

Support user-defined Python module

I would like to maintain a set of Python functions and classes in a separate model/script, then do an import from that module in a notebook and DO4DSX model.Use cases:* I want to move complex function definitions out of my notebook. The functions ...
over 7 years ago in CPLEX Optimization Studio / Decision Optimization for Watson Studio 2 Planned for future release

Implement OPL as a DSL in F#

I think that it can be valuable to offer OPL as a DSL in .NET. This can be an easy (cheap) way to combine the best of OPL and of the Cplex .NET API in one language. This way OPL remain for the definition of the problem but the control flow will be...
about 5 years ago in CPLEX Optimization Studio 0 Not under consideration

saving data with a mouse-click instead of writing code through JDBC connector in CSV or other formats

I can currently browse it in the UI/IDE using the various inspectors. It would be nice if I could easily save this data to a file with a mouse click rather than having to write code, or add JDBC connections and rerun the model, etc. Typically what...
almost 4 years ago in CPLEX Optimization Studio / CPLEX Optimization Studio 0 Future consideration

Reusable Gantt chart for Python models

Provide interactive Gantt that can easily connect to a Python CPLEX model, without writing code for the Gantt. (see e.g. how SPSS Modeler provides reusable and configurable visuals inside their new UI, we are looking for a similar experience, i.e....
over 7 years ago in CPLEX Optimization Studio / Decision Optimization for Watson Studio 1 Delivered

Visual Modeler interface for CPLEX in DSX

In our current DSX offering we enable programmatic access with Python API for CPLEX engine to solve optimization problems. Leveraging this capability requires a user to have deep technical and programming skills. Iterating across scenarios with mo...
almost 8 years ago in CPLEX Optimization Studio / Decision Optimization for Watson Studio 2 Delivered

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 6 years ago in CPLEX Optimization Studio / CPLEX Optimization Studio 0 Not under consideration

Constraint filtering in the problem browser

when you review the expression of the constraint from the problem browser, to see what constraint has been written from your code.the view allows to filter to some variables, order the display can be changed and display only the constraint that ar...
about 5 years ago in CPLEX Optimization Studio 0 Not under consideration

Adding a warning when a data source are not populate in a model

Once data elements are read once, adding a new data source has no effect. A warning that tells that adding a new data source after had no effect will help to debug. Here is an example. The observe problem was that no data where send to the databas...
about 5 years ago in CPLEX Optimization Studio 0 Not under consideration

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