Search found 3 matches
- Mon Feb 21, 2000 7:11 am
- Forum: SD Mailing List Archive
- Topic: Causal loop and Stock and Flow Diagramming
- Replies: 8
- Views: 10119
Causal loop and Stock and Flow Diagramming
Jay Forrester writes: >>> The concept of a derivitive is a figment of mathematicians imaginations. >>> No where in nature or human affairs is a derivitive taken. Nature only integrates. What!? I guess I should throw out most of what I learned about electromagnetics in my geophysical career. Im going...
- Wed Dec 22, 1999 7:17 am
- Forum: SD Mailing List Archive
- Topic: Resource allocation models
- Replies: 28
- Views: 53929
Resource allocation models
>Just a conjecture >for now, but Im guessing that as long as all tasks are formulated as >backlogs, the differences between these approaches will tend to be minimized >by the structures strong compensating loop: >More backlog --> more time allocated --> less backlog. Backlog ... couldnt phrase it an...
- Fri Jul 30, 1999 8:24 am
- Forum: SD Mailing List Archive
- Topic: Strange spreadsheet concept
- Replies: 14
- Views: 14003
Strange spreadsheet concept
>> A real system does not and indeed cannot respond instantly in a self referencing manner (response times may be very short or very long but never instant). << An earlier response made the point about how semantic differences in different disciplines/paradigms can lead to serious misunderstandings ...