Feedback (disambiguation)

Source: Wikipedia, the free encyclopedia.

Feedback is what occurs when outputs of a system are routed back as inputs as part of a chain of cause-and-effect that forms a circuit or loop.

Feedback may also refer to:

Engineering

  • Feedback control loop
    , a closed-loop controller
  • Audio feedback, the "howl" sometimes heard in microphone or guitar amplification systems
  • Video feedback, the optical equivalent of audio feedback, caused when a camera films the image it is producing
  • Positive feedback, a feedback system that responds to perturbation in the same direction as the perturbation
  • Negative feedback, a method of attenuation to restore equilibrium
  • Negative-feedback amplifier, an amplifier designed to stabilize a system and improve performance

Human behaviour

Science

Mathematics

  • Feedback arc set, in graph theory, a method of eliminating directed graphs
  • Feedback vertex set, in computational complexity theory, the feedback vertex set problem is a graph-theoretical NP-complete problem

Comics

  • Feedback (Marvel Comics)
    , a Marvel Comics superhero
  • Feedback (Dark Horse Comics), the winner of Who Wants to be a Superhero? and a Dark Horse Comics superhero

Music

Other