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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

Since f is a rational function, divide the numerator and denominator by the highest power in the denominator: x2.

From Textbooks Mar. 30, 2016

At this point, by combining the differentiation rules, we may find the derivatives of any polynomial or rational function.

From Textbooks Mar. 30, 2016

The function S is, however, a rational function of z with poles upon C, that is external to R0.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" by Various

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