“An open system does not observe and react to its own performance. An automobile is an open system which by itself is not governed by where it has gone in the past nor does it have a goal of where to go in the future. A watch, taken by itself, does not observe its own inaccuracy and adjust […]
“A feedback system, which is sometimes called a "closed" system, is influenced by its own past behavior. A feedback system has a closed loop structure that brings results from past action of the system back to control future action.”
https://mastodon.world/@paninid i was (re)reading it on internet archive, but i like to interact with the page to keep myself focused, etc., so decided to buy it…
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His use of “open” and “feedback” or “closed” systems is interesting…
“An open system is one characterized by outputs that respond to inputs but where the outputs are isolated from and have no […]
He introduced stock and flow diagrams, so feedback was a Big Idea for him.
The worst-case scenario here is you get sued?
Apparently, this author/text was not included in the Book3 dataset pirated content used for LLM #trainingdata.
https://archive.org/details/principlesofsyst0000jayw/page/n8/mode/1up
On the up side, the old school type in the new binding is giving me nostalgia hahah