Daniel@0: function p = logist2Apply(beta, x)
Daniel@0: % LOGIST2APPLY 2 class logistic regression: compute posterior prob of class 1
Daniel@0: % function p = logist2Apply(beta, x)
Daniel@0: %
Daniel@0: % x(:,i) - each COLUMN is a test case; we append 1s automatically, if appropriate
Daniel@0: 
Daniel@0: [D Ncases] = size(x);
Daniel@0: if length(beta)==D+1
Daniel@0:   F = [x; ones(1,Ncases)];
Daniel@0: else
Daniel@0:   F = x;
Daniel@0: end
Daniel@0: p = 1./(1+exp(-beta(:)'*F));