www.pudn.com > HMM1.zip > logist2Apply.m

function p = logist2Apply(beta, x) 
% LOGIST2APPLY 2 class logistic regression: compute posterior prob of class 1 
% function p = logist2Apply(beta, x) 
% 
% x(:,i) - each COLUMN is a test case; we append 1s automatically, if appropriate 
 
[D Ncases] = size(x); 
if length(beta)==D+1 
  F = [x; ones(1,Ncases)]; 
else 
  F = x; 
end 
p = 1./(1+exp(-beta(:)'*F));