Closed loop

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Closed loop or closed-loop may refer to:


  • Loop (topology), a path whose initial point is equal to its terminal point
  • Closed curve, a mathematical curve described as a set of continuous parametric equations over a closed interval of real numbers for which the start point equals the end point


Other uses[edit]

  • Circular economy, one in which materials are consistently reused rather than discharged as waste
  • Closed time loop, or predestination paradox, a paradox of time travel that is often used as a convention in science fiction
  • Knot loop, a structure used to tie knots

See also[edit]