Mercurial > forge
changeset 2524:7f1ee58f7b1b octave-forge
Initial commit into CVS.
author | sis-sou |
---|---|
date | Fri, 29 Sep 2006 17:46:10 +0000 |
parents | 490f532228b4 |
children | 12838d5107e6 |
files | main/specfun/inst/heaviside.m |
diffstat | 1 files changed, 35 insertions(+), 0 deletions(-) [+] |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main/specfun/inst/heaviside.m Fri Sep 29 17:46:10 2006 +0000 @@ -0,0 +1,35 @@ +## Copyright (C) 2006 Sissou <sylvain.pelissier@gmail.com> +## +## This program is free software; you can redistribute it and/or modify +## it under the terms of the GNU General Public License as published by +## the Free Software Foundation; either version 2 of the License, or +## (at your option) any later version. +## +## This program is distributed in the hope that it will be useful, +## but WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +## GNU General Public License for more details. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +## HEAVISIDE compute the heaviside step function. +## see also dirac. +## + +function y = heaviside(x) + if (nargin != 1) + usage ("heaviside(x)"); + endif + + if(x == 0) + y = NaN; + else + if(x < 0) + y = 0; + else + y = 1; + endif + endif +endfunction; \ No newline at end of file