Search found 3 matches
- Thu Dec 14, 2006 4:40 pm
- Forum: SD Mailing List Archive
- Topic: QUERY SD Impact on National Government Policies
- Replies: 66
- Views: 61280
QUERY SD Impact on National Government Policies
Posted by Jim Thompson <james.thompson@strath.ac.uk> Louis Macovsky wrote ""I am curious to know to what extent has SD played, if any, in decision making and management at the Federal level other than in the military."" That is a difficult question to answer without a thorough su...
- Tue Nov 02, 2004 3:21 pm
- Forum: SD Mailing List Archive
- Topic: The Derivative in the Real World
- Replies: 9
- Views: 18666
The Derivative in the Real World
I take Weaver to be saying that a derivative is part of a mental model and that a mountain slope is an observable manifestation of a meaning-making concept called derivative. I take Fiddaman to be saying that the usefulness of that mental construction is limited until we make some other observations...
- Wed Sep 29, 2004 2:03 am
- Forum: SD Mailing List Archive
- Topic: Naming systems models by end use
- Replies: 1
- Views: 3128
Naming systems models by end use
In ""Prediction and prescription in systems modelling"" (Operations Research, 38:1 (January-February 1990), pp. 7-14), Herbert A. Simon wrote: ""When we model systems, we are usually (not always) interested in their dynamic behaviour. Typically, we place our model at so...