Ventana software support forum

I may run into this problem less frequently than others. When I do, it is annoying. But the differences between graphical interfaces, proprietary built-in functions, and how each handles subscript matrices probably makes SMILE complicated and difficult. As Carolus indicates, three publishers offer s...

George Backus writes: I think Climate Change dynamics do need to enter into this discussion in that they may affect (or minimally redistribute) the carrying capacity of the globe." For an up-to-date treatment, I recommend "Population and Climate Change ", Brian C. ONeill, F. Landis Ma...

There a searchable bibliography of system dynamics publications available from http://www.albany.edu/cpr/sds/biblio/sdbib.html. I understand that Professor Jay Forrester, who initiated the System Dynamics National Model at MIT, is writing a book about the model process and content, but I do not know...

Gebhard Wulfhorst asks three questions: 1) What kind of knowledge and experience exists in integrating qualitative data, estimated values or fuzzy information in the structure of differential equations between stock and flow? 2) How can table functions be specified in order to point out this level o...

In SD3612 Prof. Forrester wrote: "As a start on such a discussion, consider six characteristics of information: Persuasiveness, Delay, Distortion, Bias, Error, and Crosstalk. All of these terms seem to imply being desirable or undesirable, but they should not be so construed. Under various circ...

George Sousa wrote: I am interested in the application of System Dynamics methodologies and tools to strategic enterprise design issues.... Try Collected Papers of Jay W. Forrester, published by Pegasus Communications. I think theres a piece on new corporate designs. Theres Jay Forresters video lect...

Lazaros Petrides asks for text-based SD software that does "an automatic translation of flow diagrams into dynamo code and vice-versa." Vensim permits direct text-based equation entry and editing or an equation editor from the graphical interface. Models developed in the Text View have the...