Where to find the total execution time in matlab

Suppose i am executing a code , then how do i know how much time it takes exactly to execute..Kindly suggext

Answer 1

[Stephan]

Hi,

the toc toc command measures the elapsed time between these both commands. Its your turn where to set them.

tic
...
lots of code
...
toc

You can create a variable containing the elapsed time:

t = toc;

For example:

tic
k = 0;
for k = 1:250000
    k = k+1;
end
t = toc

gives:

t =

0.0016

Best regards

Stephan

[Walter Roberson]

You should also investigate timeit()

Note that tic/toc and timeit() are measures of how much time it takes a specific run with that particular data. tic/toc and timeout() are not suitable for determining the "big O" theoretical measure of how long the program would take with input of a particular length.