Dictionary![]() ![]() Tche•by•cheff' equa"tionPronunciation: (chu-bu-shôf'), [key] Math. a differential equation of the form (1 - x2) d2y/dx2 - x dy/dx + n2y = 0, where n is any nonnegative integer. Also called Chebyshev equation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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