error when calculating factorial

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Josep
Josep 2014-8-12
评论： Josep 2014-8-12
I want to calculate all the combinations for a X number of variables and I am doing this code:
m=6;%number of variables
TC=0;
for n=1:m,
C=factorial(m)/((factorial(n)*factorial(m-n));
TC=TC+C; %total number of combinations
end
TC
but I have the following error message from MATLAB:
Unbalanced or unexpected parenthesis or bracket.
Does anybody know which would be the right code to compute the total number of combinations, or where is the error in my code?

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采纳的回答

Christoph
Christoph 2014-8-12
C=factorial(m)/((factorial(n)*factorial(m-n));
You are opening two parentheses, but closing only one in the denominator

更多回答（1 个）

Ben11
Ben11 2014-8-12
The error is due to a missing bracket at the end of this line:
C=factorial(m)/((factorial(n)*factorial(m-n));
Add a bracket and it works.
C=factorial(m)/((factorial(n)*factorial(m-n)));
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Ben11
Ben11 2014-8-12
yep. That's weird that it does not work if this is what you have in your m.file. Maybe restart matlab and run it again? Copying this code in your command window generates this error?
Josep
Josep 2014-8-12
that works now, everything okay! Thank you ;)

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