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kanster · Dec 7, 2015 · c007a90 · c007a90
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Showing 6 changed files with 12 additions and 19 deletions.
diff --git a/chapter11/dirichletRnd.m b/chapter11/dirichletRnd.m
@@ -0,0 +1,10 @@
+function x = dirichletRnd(a, m)
+% Sampling from a Dirichlet distribution.
+%   a: k dimensional vector
+%   m: k dimensional mean vector
+% Written by Mo Chen ([email protected]).
+if nargin == 2
+    a = a*m;
+end
+x = gamrnd(a,1);
+x = x/sum(x);
diff --git a/chapter11/rndDiscrete.m → chapter11/discreteRnd.m b/chapter11/rndDiscrete.m → chapter11/discreteRnd.m
@@ -1,4 +1,4 @@
-function x = rndDiscrete(p, n)
+function x = discreteRnd(p, n)
 % Sampling from a discrete distribution (multinomial).
 % Written by Mo Chen ([email protected]).
 if nargin == 1

diff --git a/chapter11/rndGauss.m → chapter11/gaussRnd.m b/chapter11/rndGauss.m → chapter11/gaussRnd.m
diff --git a/chapter11/rndKmeans.m → chapter11/kmeansRnd.m b/chapter11/rndKmeans.m → chapter11/kmeansRnd.m
@@ -1,4 +1,4 @@
-function [X, z, center] = rndKmeans(d, k, n)
+function [X, z, center] = kmeansRnd(d, k, n)
 % Sampling from a Gaussian mixture distribution with common variances (kmeans model).
 % Written by Michael Chen ([email protected]).
 a = 1;

diff --git a/chapter11/rndDirichlet.m b/chapter11/rndDirichlet.m
diff --git a/helper/rndKCluster.m b/helper/rndKCluster.m