function [ out ] = PB( m, A )%PB Summary of this function goes here%  Detailed explanation goes hereout = 1;%% Method 1%% out = 1;%%for i = 1 + 1 : m + 1    %%out = [out, A * out(i - 1)/(m + A * out(i - 1))];%%endfor i = 1 : m    out = A .* out./(m + A .* out);end