finite Mixture of exponential in matlab

[engshaf]

Hi all
can any body here help me with ((finite Mixture of exponential in matlab))

I want to simulate it in matlab or R for any given data ?

 

[Dason]

Would you mind elaborating a little bit more

 

[engshaf]

I mean
I want to plot any PDF such as Rayleigh distribution from weighted sum finite mixture

here the link explain finite mixture from Gaussian but i want exponential instead Gaussian

http://en.wikipedia.org/wiki/Mixture_model#Gaussian_mixture_model