Random Number Generator

2011 9 1
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Hello All,
I have been charged with coming up with a way to raffle an iPad2 at a charity event. The raffle participants are all members of the non-profit with member id#'s. Instead of putting paper in a bowl I thought about using a random number generator to produce the winning member id. I thought that Mat-Lab would be a useful tool for doing this. Any thoughts??

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Paulo Silva
Paulo Silva 2011-9-1

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RandStream.setDefaultStream(RandStream('mt19937ar','seed',sum(100*clock)));
n=10; %number of ids
randi([1 n])

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Christopher
Christopher 2011-9-1
Thank you Paulo. There are ~130 different 5-digit id#'s. In this case my n=130. Do I need to code the id#s as integers.
ID 1234556 =1
ID 7891011 =2
Then I would know which ID won the raffle. Is the about right?
Paulo Silva
Paulo Silva 2011-9-1
That would do it but it's too much work and I can't think any other way besides getting another set of consecutive IDs for each participant.

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