Definition of the Signum Function
Date: 05/31/2000 at 15:34:02 From: David Little Subject: Signum (calculus) I am trying to find a simple definition of the signum function and any practical examples of its usage.
Date: 05/31/2000 at 15:43:47 From: Doctor Schwa Subject: Re: Signum (calculus) The function signum(x) is -1 when x is negative, 0 when x is 0, and 1 when x is positive. One practical application is that its integral is |x|. It's also very handy for piecing together any functions with discontinuities. - Doctor Schwa, The Math Forum http://mathforum.org/dr.math/
Search the Dr. Math Library:
Ask Dr. MathTM
© 1994- The Math Forum at NCTM. All rights reserved.