Ventana software support forum

Posted by ""Magne Myrtveit"" <magne@myrtveit.com> Dear Hazhir, There are several approached you can use (listed according to ease-of-use): 1) If the software has both linear programming and dynamic simulation, you can combine the methods in your model. 2) If your software allows ...

Posted by ""Magne Myrtveit"" <magne@myrtveit.com> Hello Bill, On your comment: ""Dividing a model into sectors as you suggest is viable. Is that the same as co-constructing? Is such a thing possible given the complexities of modelling, especially large projects?"&q...

Posted by ""Magne Myrtveit"" <magne@myrtveit.com> Dear Martin, In order to answer your question, I need to understand what is ment by ""collaborative modeling for learning"". - what is the purpose of the process? - what is the product(s) or deliverable(s) that...

Posted by ""Magne Myrtveit"" <magne@myrtveit.com> The recent discussion on model interchange formats raised some questions relating to the usefulness of such a format: Assume that we already had a way to share models among different SD tools? - Would it make a difference? - Would...

Posted by ""Magne Myrtveit"" <magne@myrtveit.com> Bobby Powers writes: > How about the following as a start? Different languages that > additional information to accompany the equations > of variables can add additional elements to <var>. Also since type is > just a string, you c...

Posted by ""Magne Myrtveit"" <magne@myrtveit.com> Several people have in this thread advocated the benefits of a common model format, maybe based on XML. Let us assume that someone starts creating a standard model format. What would be considered as ""standard"&quo...

Posted by ""Magne Myrtveit"" <magne@myrtveit.com> As a developer of commercial modelling software, I am also interested in what is going on in the open source community. It seems that successful and widely used open source software emerges only in areas with an already establishe...

Posted by ""Magne Myrtveit"" <magne@myrtveit.com> Jay Forrester writes: >>Can someone supply some examples of where the way of computing age in >>a stock will alter the direction of policy recommendations to improve >>the behavior of a system? In Dynaplan we recently created a mo...

Posted by ""Magne Myrtveit"" <magne@myrtveit.com> Regarding ""systemdynamics"" ... Wouldn't it be a little arrogant to believe that we can change the way nouns are constructed in the English language? We could (in theory) use a ""foreign"" ...

Posted by ""Magne Myrtveit"" <magne@myrtveit.com> Our emotions want System Dynamics to be something special, right? Sometimes our emotions (and defensiveness) work against us. Standards seem to point towards the use of system dynamics. Do we agree that the use capital letters ten...