Monotonic function

Figure 1. A monotonically non-decreasing function
Figure 2. A monotonically non-increasing function
Figure 3. A function that is not monotonic

In mathematics, a monotonic function (or monotone function) is a function between ordered sets that preserves or reverses the given order.[1][2][3] This concept first arose in calculus, and was later generalized to the more abstract setting of order theory.

  1. ^ Clapham, Christopher; Nicholson, James (2014). Oxford Concise Dictionary of Mathematics (5th ed.). Oxford University Press.
  2. ^ Stover, Christopher. "Monotonic Function". Wolfram MathWorld. Retrieved 2018-01-29.
  3. ^ "Monotone function". Encyclopedia of Mathematics. Retrieved 2018-01-29.

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