Nodes/Arrows

[Bernd Brandt]

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Dear All,

I would like to ask you a node connection question.
The problem is the following.
I have an arrow from node A to node B. I would like another arrow to
merge with this arrow. Does someone know how to accomplish this?
The basic idea is:

   B
    
   | 
    \
A -----------> C

"The A binds B and then enters state C"



I have the following code for the nodes. I do not know how to introduce
merge an arrow from B with the arrow from A to C  (example above).

\newlength{\MyLength}
\settowidth{\MyLength}{$E_{01}$}
\newcommand{\MyNode}[2]{\circlenode{#1}{\makebox[\MyLength]{#2}}}

\begin{pspicture}(2,2)(10,10)
  \rput(2,6){\MyNode{A}{$E_{00}$}}
  \rput(6,8){\MyNode{B}{$E_{01}$}}
  \rput(6,4){\MyNode{C}{$E_{10}$}}
  \rput(10,6){\MyNode{D}{$E_{11}$}}
  \ncline[nodesep=5pt]{->}{A}{B}
  \naput{$\lambda_A$}
  \ncline[nodesep=5pt]{->}{A}{C}
  \naput{$\lambda_B$}
  \ncline[nodesep=5pt]{->}{B}{D}
  \naput{$\lambda_B$}
  \ncline[nodesep=5pt]{->}{C}{D}
  \naput{$\lambda_A$}
  \nccurve[nodesep=5pt,ncurv=1,angleA=-90,angleB=-90]{->}{D}{A}
  \naput{$\lambda_H$}
\end{pspicture}


Kind regards,
Bernd Brandt

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