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Thread Subject:
pdf gaussian summation !!!

Subject: pdf gaussian summation !!!

From: mesange questions

Date: 9 Dec, 2009 09:07:02

Message: 1 of 2

Hi everyone !!!
I have a question relating to gaussian random variables, i need to plot the pdf of the following:

=summation(from i=0 to i = P) |H^i|?

where H are circularly symmetric complex Gaussian random variables …
I donno how to do it in matlab ,,, kindly help
thanks in advance,
mesange.

Subject: pdf gaussian summation !!!

From: Sadik

Date: 10 Dec, 2009 11:08:20

Message: 2 of 2

If you want, you can generate Hi's and compute the summation S, let us say, 10000 times. Then you will get 10000 S values right? I will assume you put them in a vector called Svector. Now you can do:

[n,x] = hist(S,100);
deltaX = x(2)-x(1);
pdf = n/length(S)/deltaX;

plot(x,pdf);

Best.

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