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Diffstat (limited to 'sourcecodes/bnt-master/SLP/misc/gener_discrete_dist.m')
| -rw-r--r-- | sourcecodes/bnt-master/SLP/misc/gener_discrete_dist.m | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/sourcecodes/bnt-master/SLP/misc/gener_discrete_dist.m b/sourcecodes/bnt-master/SLP/misc/gener_discrete_dist.m new file mode 100644 index 00000000..4f131fcb --- /dev/null +++ b/sourcecodes/bnt-master/SLP/misc/gener_discrete_dist.m @@ -0,0 +1,12 @@ +function beta = gener_discrete_dist(N, alpha) +% beta = gener_beta(N, masse) +% +% using the logistic function to create a random vector +% of discrete probability distribution on N values +% if masse~=1 then sum(beta)==masse and this is not a probability +% +% francois.olivier.c.h@gmail.com + +if nargin==1, alpha=1; end +gamma = rand(1,N); +beta = alpha*N*(exp(gamma)/sum(exp(gamma))); |