Heaviside unit function | Article about Heaviside unit function by The Free Dictionary
Heaviside unit function
Heaviside unit function[′hev·ē‚sīd ′yü·nət ¦fəŋk·shən]
The real function ƒ(x) whose value is 0 if x is negative and whose value is 1 otherwise.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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The connection of an electric circuit at a constant voltage [U.sub.1] at zero initial conditions can be considered as an action of the input voltage U = 1(t)[U.sub.1] in the circuit already switched on , where 1(0 is the Heaviside unit function
(connection function) (see Fig.