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how to calculate cpu time

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kash
kash 2013-3-20
I have a program
clc
if
%my program
else
disp('timed out')
end
my program consist of taking a snapshot through webcam
now i want to calculate the time,i.e the program must run for only 15 min,after 15 min if snapshot is taken it should be displayed as timed out

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采纳的回答

Jan
Jan 2013-3-21
You cannot interrupt your program from the outside, but you need to check a flag or value inside the program. Usually this is done in loops like this:
tic;
while toc < 900 % 15 minutes
takeYourSnapShot;
end

更多回答（1 个）

Matt J
Matt J 2013-3-20
编辑：Matt J 2013-3-20
See commands tic, toc, etime, now, cputime, etc...
  3 个评论
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Matt J
Matt J 2013-3-21
for example
T0=cputime;
for i=1:1e6
if i==1e6/2
T=cputime-T0, %The time half way through the loop
i,
end
end
kash
kash 2013-3-21
where i should insert my program

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