for loop with factorial as an increment

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steve guy
steve guy am 21 Feb. 2013
When you increment a for loop by factorial(n) is matlab updating n within the factorial or is it simply calculating the factorial value and using that as an increment.
ex.
does
factorial(1):factorial(2):factorial(n)
go 1 3 5 7 9 11....n since factorial(2)=2*1
or 1! 3! 5! 7! 9! 11!.....n!
I would test this myself but I do not have software at my disposal.

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Shashank Prasanna
Shashank Prasanna am 21 Feb. 2013
The moment factorial is evaluated, MATLAB just treats it like a number. Which means it would be your first option.
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Shashank Prasanna
Shashank Prasanna am 22 Feb. 2013
You can simply do:
loopvar = factorial(1:n)
for i = loopvar
% do something
end
loopvar will have the vector of factorials. In MATLAB you can simple use this variable in the loop as above
steve guy
steve guy am 22 Feb. 2013
so if I wanted those to be incremented by two would loopvar=factorial(1:2:n) be correct?

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