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Tchebycheff polynomial

American

noun

Mathematics.

a polynomial solution of the Tchebycheff equation, of the form T n (x ) = cos(n cos −1x ), where n is an integer.

Etymology

Origin of Tchebycheff polynomial

Tchebycheff equation

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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.