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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.
We have had the pleasure of interviewing many academics about their use of AIMMS. Often, they are working on innovative research projects that will shape the future of our economy for years to come. Edwin Zondervan is one of them. Edwin is a professor of process systems engineering at Twente Univers...
Hi everyone,I have been trying to call an AIMMS (academic license) procedure from python although this doesn't seem to work. I got the following code from another thread, which seems to work with a paid license. I also saw on another post that the academic licence might have some limitations in this...
Hi,when writing to a database, is there a combination of “insert mode” and “dense mode”? I’m looking for something which does not delete the complete database table, but still writes data for rows where all parameters are empty.Benedikt
Many of us use a tool like MS Teams nowadays to meetup, create teams to exchange information, have chat groups etc. We also are aware that some of our customers have channels to exchange AIMMS information such as best practices, internal support, example cases, snippets and more.So why not add AIMMS...
As you know, AIMMS celebrated its 30th anniversary in 2019. A lot has happened in the past three decades, from bringing optimization technology closer to business users with a powerful WebUI, to expanding outside of the Netherlands. Who better to tell the story of AIMMS' growth than Gertjan de Lange...
Do you have a passion for mathematics & OR and do you want the chance to design, build and improve our complex software solutions? Then keep reading!At ORTEC in the Netherlands (Zoetermeer, Amsterdam or Groningen), we are looking for driven Operations Research Consultants & Engineers with ex...
Hey. I am working to create a tool (GUI) in AIMMS platform. I have multiple pages in Page Manager for developing the tool. In one of the pages, I want to add an ‘Help’ button, clicking which should open the user manual of the tool (in pdf version - not the AIMMS user manual). Is it possible to imple...
I encountered this error when running the model. The model is fine, since it works with another set of input data. But with this particular data set, it gets stuck in the Presolving phase, and returns nothing. After force exciting the model, This is the message that it shows in the .err file. Have t...
I am wondering if it is possible to disable end-user filtering in one specific table in the UI?The use case as follows: the user needs to be able to do mass changes on a specific parameter displayed in the a table. The idea is that by filtering through a few multiselect widgets the user can define w...
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?
Hello everyone, I am new to AIMMS and I think I like it because of its graphical user friendliness. I want to use AIMMS to optimize the charging profile of a number of vehicles in a decentralized way such that the original central problem is decomposed to be solved independently as a subproblem by e...
Hi All,I want to compare two scenario for better understanding of output data. And i want to do it from WebUI.Help me to built my Model with such capability. Thanks
Hi,If anyone can clarify the difference/similarity between Current Case and Active Case that would very helpful. Thanks,
Hi, I simply need to make a subset “test” of range from 0 to 10 of set “timehour” which the range is from 0 to 140 But I don’t archieve to do it see picture.When i range “test” from 0 to 100 or more It works but when I’m below 100 it doesn’tHelp me pls
Hello,Since I'm new to aims, I have (I think) a simple question;How can I do a part of a summation?So for example; I've got x1, x2, x3, x4 and x5 as my sets. In my mathematical model is one constraint: x5 = 10*x1 + 18*x2. How do I get this in AIMMS?
Hi, I am wondering if it is possible to set a specific value for the best LP bound of a Mathematical program (before executing the Mathematical programof course)? Thanks
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