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annotate general/numerical/scalar/rectify.m @ 61:eff6bddf82e3 tip

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Finally implemented perceptual brightness thing.
author samer
date Sun, 11 Oct 2015 10:20:42 +0100
parents db7f4afd27c5
children
rev   line source
samer@4 1 function y=rectify(x)
samer@4 2 % rectify - 'half wave' rectification, rectify(x) x>0 ? x : 0
samer@4 3 %
samer@4 4 % rectify :: [Size->real] -> [Size->nonneg].
samer@4 5
samer@4 6 y = (x>0) .* x;
samer@4 7 % alternative implementation?
samer@4 8 % i=(x<0); y=x; y(i)=0;