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Dear All,Is there a way within AIMMS to implement Bilevel Programming as shown in the image?Thank you for the advice given.
I want to find the point on the pareto front (obtained with the epsilon constraint method) that has the minimum distance from the utopia point.
How can I do this in aimms?
The How To 'Read and Write CSV Files' has been updated.
CSV files are a de facto standard for communication of data. AIMMS provides the libraries code:DataLink and code:CSVProvider in order to serialize CSV files.
This article shows an example of how to read data from a CSV file.
Hi,I was wondering if there was a way to automatically publish an application or upload a .aimmspack file to AIMMS PRO, more specifically on the AIMMS Cloud Platform.Thanks, Rodrigo.
Hello everyone,I am new to AIMMS, I am trying to solve a unit commitment problem with four thermal generator units and a PV unit. I have added the four generators in a set with index (u) with all their parameters in the model. Now, I want to add another source of power supply which is PV as a fixed...
Are you looking to improve the execution efficiency and overall performance of your AIMMS apps? Then this new master course is for you! As you know, your model computes: the coefficients used in the mathematical program, and the values shown in an end-user interface after solving a mathematical pr...
Recently, we started a great collaboration with Dr. Bezhad Kazemtabrizi, Dr. Mahmoud Shahbazi and Dr. Abraham Alvarez-Bustos from Durham University (UK) to build a few tutorials on power systems modeling. This resulted in a first release that we are happy to share today: The OPF (Optimal Power Flow...
In recent years, AIMMS has placed a great deal of focus on community building. The platform you’re reading this on is part of this community approach. In this interview, we get to hear about the key principles behind growing the AIMMS community, and what’s cooking in this area. Get to know Arthur d’...
When using the AIMMS PRO API documentation to implement a procedure call by means of a web request, the ProjectVersion property of JobConfig defines the version number of the application that the API has to use.It is not possible yet to always use the latest version of an application from within a P...
I want to build a Goal Programming Model that uses Satisfaction Functions Here for more information I now want to build functions that work like thisMy variables depend on an additional index j. delta represents the deviation from goal i at alternative j and the alphas represent certain thresholds d...
Hello, I have linked an SQLite Database with my model and I am trying to import the data present in database to a parameter PXTankAllocation, however, it is not importing and it does not give out any error too. have attached screenshots for your reference. If you will see S5 image, it is a screesho...
Hi all,I’m sorry of the question is too basic, but I recently had to re-run an old code (originally developed in AIMMS 4.47) and I’m having lots of trouble correcting errors.I have a variable ( Ireal(ld) ) that uses another variable ( Vreal(bus,ph) ) in its calculation.I have an string parameter ( l...
How should I set a default layout for pivot tables in developer mode. I want this layout to be used when the application is opened by users in WebUI. Thanks
Hello everyone,Could someone please help me look at a way to find the nodal balance equation at a node for inputs having different indices?More explanation: Refer to the diagram below. Assume nodes 1,2, and 3 are set of buses indexed b. Then connecting lines between the buses are Set with index doma...
It seems that for an internal function, I have to specify the arguments with index and size? How can I create an internal function to calculate inverse for any matrix? In this case, do I have to use external function? Thanks.
Hello, Has anyone had success in reading Excel files residing on a Sharepoint? Any pointer or suggestions would be appreciated.Thanks,Scott
I currently face the issue that the variable TotalCost needs to be a free scalar variable. The range of the variable is set to free and I don't have specified the index domain anymore. What can be the reason for this error?
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