Search found 7 matches
- Sun Dec 11, 2005 1:34 pm
- Forum: SD Mailing List Archive
- Topic: Characterizing System Dynamics
- Replies: 33
- Views: 43072
Characterizing System Dynamics
Posted by ""Weaver, Elise A"" <eweaver@WPI.EDU> My understanding of ""emergence"" is that it has to do with what we perceive at different levels of analysis. What we see at one level of analysis (or aggregation) is seen differently at another. The classic exam...
- Wed Sep 21, 2005 11:47 am
- Forum: SD Mailing List Archive
- Topic: Non-linear rate equations
- Replies: 4
- Views: 5659
Non-linear rate equations
Posted by ""Weaver, Elise A"" <eweaver@WPI.EDU> One more question: What is the order of a system like this: dx/dt = x2 Is it first order, because there is only 1 stock or is it 2nd order because of the exponent? It is certainly non-linear. Elise Posted by ""Weaver, Elis...
- Tue Sep 20, 2005 11:49 am
- Forum: SD Mailing List Archive
- Topic: Non-linear rate equations
- Replies: 4
- Views: 5659
Non-linear rate equations
Posted by ""Weaver, Elise A"" <eweaver@WPI.EDU> I have to retract my last comments. I was thinking the definition of ""linear rate equation"" referred only to the immediate equation of the rate. I have been reminded to think not just about the immediate equati...
- Mon Sep 19, 2005 11:38 am
- Forum: SD Mailing List Archive
- Topic: Non-linear rate equations
- Replies: 4
- Views: 5659
Non-linear rate equations
Posted by ""Weaver, Elise A"" <eweaver@WPI.EDU> I have started reading a little about complexity and non-linear dynamics as applied to social systems. It took me a while to understand that when people say ""non-linear"" they are referring to equations for rate...
- Mon Aug 15, 2005 5:53 pm
- Forum: SD Mailing List Archive
- Topic: Feedback Thinking for Business? (Was Feedback and Behavior)
- Replies: 8
- Views: 9497
Feedback Thinking for Business?
Posted by ""Weaver, Elise A"" <eweaver@WPI.EDU> > see what others think and how they would progress developing a model with > more short term feedback loops especially regarding decision-making which > does seem to be done spuriously from an observers standpoint. What we may in Y...
- Sat Jul 16, 2005 11:53 am
- Forum: SD Mailing List Archive
- Topic: Port Dynamics and Bottlenecks
- Replies: 5
- Views: 7401
Port Dynamics and Bottlenecks
Posted by ""Weaver, Elise A"" <eweaver@WPI.EDU> You might also want to read Stephen Flynn http://www.greatertalent.com/bios/flynn.shtml on how closing ports down requires surge capacity. http://www.cfr.org/pub7269/stephen_e_flynn/the_ongoing_neglect_of_maritime_transportation_sec...
- Fri Jul 15, 2005 12:10 pm
- Forum: SD Mailing List Archive
- Topic: Preventing Learning Effects in Repeated experiments
- Replies: 1
- Views: 6148
Preventing Learning Effects in Repeated experiments
Posted by ""Weaver, Elise A"" <eweaver@WPI.EDU> Hello, There are different methodological approaches to sequence effects: 1. Counterbalancing - this is the process of ensuring that different orders of your effects are experienced by different experimental groups. One form, the la...