Skip to content
Create a gist now

Instantly share code, notes, and snippets.

L = randn(20,3);
l1_max=20; l1_min=0.5;
l2_max=20; l2_min=0.5;
mu_max=20; mu_min=0.5;
tic
for kk=1:1e5
l=L;
for k=1:20
if l(k,1)>l1_max
l(k,1) = l1_max;
elseif l(k,1)<l1_min
l(k,1) = l1_min;
end
if l(k,2)>l2_max
l(k,2) = l2_max;
elseif l(k,2)<l2_min
l(k,2) = l2_min;
end
if l(k,3)>mu_max
l(k,3) = mu_max;
elseif l(k,3)<mu_min
l(k,3) = mu_min;
end
end
end
toc
tic
for kk=1:1e5
l=L;
l(l(:, 1) > l1_max, 1) = l1_max;
l(l(:, 1) < l1_min, 1) = l1_min;
l(l(:, 2) > l2_max, 2) = l2_max;
l(l(:, 2) < l2_min, 2) = l2_min;
l(l(:, 3) > mu_max, 3) = mu_max;
l(l(:, 3) < mu_min, 3) = mu_min;
end
toc
@tuix
Owner
tuix commented Aug 13, 2013

This returns:

Elapsed time is 0.134269 seconds.
Elapsed time is 0.672458 seconds.
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Something went wrong with that request. Please try again.