📄 wish_d.m
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% PURPOSE: demo of random draws from a Wishart distribution
%
%---------------------------------------------------
% USAGE: wish_d
%---------------------------------------------------
ndraws = 1000;
n = 100; k=5;
x = randn(n,5);
xpx = x'*x;
xpxi = inv(xpx);
v = 10;
w = zeros(k,k);
for i=1:ndraws;
w = w + wish_rnd(xpx,v);
end;
fprintf('mean of wishart should = \n');
mprint(v*xpx);
fprintf('mean of wishart draws = \n');
mprint(w/ndraws);
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