How to use the factorial function in Matlab

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Nghia
Nghia 2013-12-25
回答： Walter Roberson 2013-12-25
Hi everybody, I have a problem with Factorial function.
I wrote:
syms x
f= factorial(x)
....
(I want to calculate the limit of some function...)
Immediately, Matlab annouce: "??? Error using ==> factorial at 17 N must be a matrix of non-negative integers."
How can I fix this error? I want to calcualate the limit of y=f(x)=9^x/(x!)
Thanks.

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Walter Roberson
Walter Roberson 2013-12-25
Try
f = sym('x!');

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