Rational Function

In mathematics, a rational function is any function which can be written as the ratio of two polynomial functions. Neither the coefficients of the polynomials nor the values taken by the function are necessarily rational numbers.

Read more about Rational Function:  Definitions, Examples, Taylor Series, Abstract Algebra and Geometric Notion, Applications

Famous quotes containing the words rational and/or function:

    Nature has not placed us in an inferior rank to men, no more than the females of other animals, where we see no distinction of capacity, though I am persuaded if there was a commonwealth of rational horses ... it would be an established maxim amongst them that a mare could not be taught to pace.
    Mary Wortley, Lady Montagu (1689–1762)

    As a medium of exchange,... worrying regulates intimacy, and it is often an appropriate response to ordinary demands that begin to feel excessive. But from a modernized Freudian view, worrying—as a reflex response to demand—never puts the self or the objects of its interest into question, and that is precisely its function in psychic life. It domesticates self-doubt.
    Adam Phillips, British child psychoanalyst. “Worrying and Its Discontents,” in On Kissing, Tickling, and Being Bored, p. 58, Harvard University Press (1993)