Plot PDF's for N samples.
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Hi I have a binary hypothesis test where I observe 20 samples which are iid ( independent and identically distributed). Under the null hypothesis I am assuming that the 20 samples each follow a normal distribution with mean 0 and variance of 1. Also for the alternate hypothesis, I am assuming that the 20 samples each follow a normal distribution with mean 0 and variance of 2. This is the result, representing the sample by x[n]:
and 
Above gives the PDF for each sample, and since they are iid the joint density function for each hypothesis becomes:
and 
Where Π represents the products of the individual PDFs. How can I plot the joint density functions,
and 
in MATLAB.
and in MATLAB.回答（0 个）
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2018-11-16
2018-11-16
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