Program of built-in factorial function, MATLAB in Mathematics

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Program of built-in factorial function:

Calling this function yields similar result as the built-in factorial function:

>> fact(5)

ans =

120

>> factorial(5)

ans =

120

The recursive factorial function is a very common illustration of a recursive function. It is somewhat of a lame illustration, though, as recursion is not essential to find a factorial; a for loop can be just used as well in the programming (or, obviously, the built-in function in MATLAB).

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