rational function

American  

noun

Mathematics.

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

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Etymology

Origin of rational function

First recorded in 1880–85

Example Sentences

How to determine the domain of a rational function.

From Textbooks • May 6, 2020

In this next example, we see how to use partial fractions to integrate a rational function of this type.

From Textbooks • Mar. 30, 2016

To evaluate the limits at infinity for a rational function, we divide the numerator and denominator by the highest power of x appearing in the denominator.

From Textbooks • Mar. 30, 2016

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

From Textbooks • Mar. 30, 2016

There is no material the universe offers for man's life but Spinoza seeks to understand and explain its rational function and utility.

From The Philosophy of Spinoza by Ratner, Joseph