view general/numerical/scalar/rectify.m @ 37:beb8a3f4a345

Renamed prefs to options throughout.
author samer
date Mon, 28 Jan 2013 10:52:11 +0000
parents db7f4afd27c5
children
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function y=rectify(x)
% rectify - 'half wave' rectification, rectify(x) x>0 ? x : 0
%
% rectify :: [Size->real] -> [Size->nonneg].

y = (x>0) .* x;
% alternative implementation?
% i=(x<0); y=x; y(i)=0;