tic
any statements
toc
t = toc
tic
starts a stopwatch timer.
toc
, by itself, prints the elapsed time since tic
was used.
t = toc
returns the elapsed time in t
.
for n = 1:100
A = rand(n,n);
b = rand(n,1);
tic
x = A\b;
t(n) = toc;
end
plot(t)
clock
,cputime
,etime
(c) Copyright 1994 by The MathWorks, Inc.