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Heaviside unit function

American  

noun

Mathematics.

  1. the function that is zero for any number less than zero and that is 1 for any number greater than or equal to zero.

Etymology

Origin of Heaviside unit function

First recorded in 1935–40; named after O. Heaviside

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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

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