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step function

noun, Mathematics
a function that is constant on each of a finite set of subintervals of its domain, the union of the subintervals being the domain.
Origin of step function
1925-30 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for step function

step function

an electrical waveform that rises or falls instantly from one level to another
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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