کد:
\documentclass{article}
\usepackage{tikz}
\begin{document}
\begin{tikzpicture}[>=stealth,scale=4]
\draw [->] (0,0) node [below]{0} node[above right] {\textbf{P}$(\lambda=0, \mu=0)$} --
(1,0) node [below] {1} node[above right] {\textbf{PI}$(\lambda=1, \mu=0)$}-- (2,0)
node[below left]{2} -- (2.2,0) node [right]{$ \lambda $};
\draw [->] (0,0) -- (0,1) node [left] {1} node[above right] {\textbf{PD}$(\lambda=0,
\mu=1)$}-- (0,2) node[below left]{2} -- (0,2.2) node [above]{$ \mu $};
\draw [dashed] (1,0) -- (1,1) node[above right]{\textbf{PID}$(\lambda=1, \mu=1)$} -- (0,1);
\draw[dashed,ultra thick] (2,0) -- (2,2) -- (0,2);
\filldraw (1,0) circle [radius=0.4pt] (1,1) circle [radius=0.4pt] (0,1)circle [radius=0.4pt];
\end{tikzpicture}
\end{document}
خروجی:
