Positive Feedback Loop

Positive feedback is a process in which the effects of a small disturbance on a system include an increase in the magnitude of the perturbation. That is, A produces more of B which in turn produces more of A. In contrast, a system in which the results of a change act to reduce or counteract it has negative feedback.Mathematically, positive feedback is defined as a positive loop gain around a feedback loop. That is, positive feedback is in phase with the input, in the sense that it adds to make the input larger.Positive feedback tends to cause system instability.
Posts about Positive Feedback Loop
  • Publishers want out of Apple’s Newsstand jail

    … would automatically refresh whenever a new edition of a periodical was available, giving iOS users a clear indication of when new content was available. That changed in 2013, however, when Apple introduced iOS 7, which ditched the bookshelf style icon for a simpler one that gave no visual cues at all. And the Newsstand app has remained unchanged…

    Ricardo Bilton/ Digiday- 5 readers -
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