function that returns n factorial in matlab

main.m
function f = factorial(n)
% Compute factorial of n
if n == 0 % base case
    f = 1;
else % recursive case
    f = n * factorial(n-1);
end
end
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main.m
function f = factorial(n)
% Compute factorial of n
f = 1;
for i = 1:n
    f = f * i;
end
end
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main.m
>> factorial(5)
ans =
   120
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