Factorial without the use of command.

function y = fact(x)
y = x;
while x
end

[Walter Roberson]

http://www.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answers-and-get-a-fast-answer

[Stephen23]

@Mubarak Abdulla: this is not twitter, so do not put ugly and pointless # characters onto every tag. Today I changed them for you, but in future you can remember that the entire world does not consist of twitter.

Answer 1

[KSSV]

N = 5 ;

f = 1 ;

for i = 1:N
    f = f*i ;
end

[Walter Roberson]

... except converted to use a while loop.