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rational function

American  

noun

Mathematics.
  1. a function that can be written as the quotient of two polynomials with integral coefficients.


Etymology

Origin of rational function

First recorded in 1880–85

Example Sentences

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The rational function will be represented by a quotient of polynomial functions.

From Textbooks Dec. 21, 2021

How to determine the domain of a rational function.

From Textbooks May 6, 2020

Figure 4.53 The graph of this rational function approaches a horizontal asymptote as x → ±∞.

From Textbooks Mar. 30, 2016

Figure 4.54 The graph of this rational function approaches the horizontal asymptote y = 0 as x → ±∞.

From Textbooks Mar. 30, 2016

By a rational function of quantities p, q, r, ... is meant a function formed from them and any of the fundamental rational quantities by a finite number of the five fundamental operations.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" by Various

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