Search found 3 matches

by Bryan.A.James@gd-is.com
Mon Feb 21, 2000 7:11 am
Forum: SD Mailing List Archive
Topic: Causal loop and Stock and Flow Diagramming
Replies: 8
Views: 7676

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...
by Bryan.A.James@gd-is.com
Wed Dec 22, 1999 7:17 am
Forum: SD Mailing List Archive
Topic: Resource allocation models
Replies: 28
Views: 40883

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...
by Bryan.A.James@gd-is.com
Fri Jul 30, 1999 8:24 am
Forum: SD Mailing List Archive
Topic: Strange spreadsheet concept
Replies: 14
Views: 9476

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 ...