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view general/numerical/scalar/rectify.m @ 29:61921dceded1

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More documentation on type system.
author samer
date Sat, 19 Jan 2013 17:56:21 +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;