Search found 3 matches

by William Steinhurst
Tue Apr 30, 1996 5:06 pm
Forum: SD Mailing List Archive
Topic: Discrete vs. continuous
Replies: 15
Views: 34909

Discrete vs. continuous

IRT: CrbnBlu@aol.com Wed, 24 Apr 1996 > > It would seem the only way to do real continuous simulations would be with an > analog machine, and this used to be done but it was most expensive. The > digital computer, which is essentialy a discrete event machine, is made to > mimic analog by using a sma...
by William Steinhurst
Tue Apr 30, 1996 4:50 pm
Forum: SD Mailing List Archive
Topic: System dynamics is not differential equations
Replies: 6
Views: 5176

System dynamics is not differential equations

John Wolfenden wrote on Fri, 26 Apr 1996: > System dynamics then, is fundamentally a discrete analysis using difference = > equations. In my limited experience, the SD model does not become discrete until you code it in DYNAMO or Stella. (In fact, the author never writes it as a discrete model in St...
by William Steinhurst
Tue Apr 30, 1996 4:36 pm
Forum: SD Mailing List Archive
Topic: System dynamics is not ...
Replies: 1
Views: 1891

System dynamics is not ...

On Wed, 24 Apr 1996 George Richardson wrote: > Eds point is that simulation allows more people access to such models. This is just the aspect of SD that first attracted me. Coming from a physical science background into economic forecasting in 1981, I was disappointed that econometric models omitted...