view general/numerical/rectify.m @ 6:0ce3c2070089

Removed duplicate code and fixed doc in timed_action.

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;