[math] \newcommand{\NA}{{\rm NA}} \newcommand{\mat}[1]{{\bf#1}} \newcommand{\exref}[1]{\ref{##1}} \newcommand{\secstoprocess}{\all} \newcommand{\NA}{{\rm NA}} \newcommand{\mathds}{\mathbb}[/math]

In Example, make states 0 and 4 into absorbing states. Find the fundamental matrix [math]\mat{N}[/math], and also [math]\mat{Nc}[/math] and [math]\mat{NR}[/math], for the resulting absorbing chain. Interpret the results.