Generate Gaussian Mixture Distribution samples for PEM

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Bahman
Bahman 2018-10-10
评论： Bruno Luong 2018-10-13
How to generate samples from GMM distribution? I wanna set them to point estimation method.

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Bruno Luong
Bruno Luong 2018-10-10
% Characteristics of your GM distribution
mu = [1,2,5]
sigma = [0.2, 0.3, 0.4];
A = [5 3 2];
% number of samples
n = 10000;
c = [0, cumsum(A(:)')];
c = c/c(end);
[~,i] = histc(rand(1,n),c);
r = randn(1,n).*sigma(i) + mu(i);
hist(r,100)
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