Difference between revisions of "Feedback"
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| − | '''Feedback''' is a phenomenon which occurs when outputs of a system are routed back as inputs. | + | '''Feedback''' is a phenomenon which occurs when [[Output|outputs]] of a [[system]] are routed back as [[Input|inputs]]. |
== Description == | == Description == | ||
| Line 19: | Line 19: | ||
* [[Positive feedback]] | * [[Positive feedback]] | ||
* [[Recursion]] | * [[Recursion]] | ||
| + | * [[System]] | ||
== External links == | == External links == | ||
* [https://en.wikipedia.org/wiki/Feedback Feedback] @ Wikipedia | * [https://en.wikipedia.org/wiki/Feedback Feedback] @ Wikipedia | ||
| + | |||
| + | [[Category:Algorithms]] | ||
| + | [[Category:Computation]] | ||
| + | [[Category:Design]] | ||
| + | [[Category:Patterns]] | ||
| + | [[Category:Physics]] | ||
| + | [[Category:Recursion]] | ||
| + | [[Category:Structures]] | ||
| + | [[Category:Systems]] | ||
Latest revision as of 16:16, 24 April 2016
Feedback is a phenomenon which occurs when outputs of a system are routed back as inputs.
Description
This process of outputs becoming inputs forms a signal chain of cause-and-effect.
The system can then be said to feed back into itself, forming a closed circuit or loop.
Cause and effect
The notion of cause-and-effect has to be handled carefully when applied to feedback systems:
"Simple causal reasoning about a feedback system is difficult because the first system influences the second and second system influences the first, leading to a circular argument. This makes reasoning based upon cause and effect tricky, and it is necessary to analyze the system as a whole."
See also
External links
- Feedback @ Wikipedia
