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<H1>Chinese postman problem</H1>
<P>
(classic problem)

<P>
<strong>Definition:</strong>
Find a minimum length closed <a href="walk.html" tppabs="http://hissa.nist.gov/dads/HTML/walk.html"><em>walk</em></a> that traverses each <a href="edge.html" tppabs="http://hissa.nist.gov/dads/HTML/edge.html"><em>edge</em></a> at least once.
<P><strong>See also</strong>
<a href="hamilcyc.html" tppabs="http://hissa.nist.gov/dads/HTML/hamilcyc.html"><em>Hamiltonian cycle</em></a>, <a href="eulercycle.html" tppabs="http://hissa.nist.gov/dads/HTML/eulercycle.html"><em>Euler cycle</em></a>, <a href="travelsales.html" tppabs="http://hissa.nist.gov/dads/HTML/travelsales.html"><em>traveling salesman</em></a>.
<P><em>Note:
From Algorithms and Theory of Computation Handbook, page 6-21, Copyright &copy; 1999 by CRC Press LLC.</em>
<P>Author: <a href="terms.html#authorCRC-A" tppabs="http://hissa.nist.gov/dads/terms.html#authorCRC-A">CRC-A</a>
<H2>Implementation</H2>
<A HREF="javascript:if(confirm('http://www.nist.gov/cgi-bin/exit_nist.cgi?url=http://www.cs.sunysb.edu/%7Ealgorith/files/eulerian-cycle.shtml  \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address.  \n\nDo you want to open it from the server?'))window.location='http://www.nist.gov/cgi-bin/exit_nist.cgi?url=http://www.cs.sunysb.edu/%7Ealgorith/files/eulerian-cycle.shtml'" tppabs="http://www.nist.gov/cgi-bin/exit_nist.cgi?url=http://www.cs.sunysb.edu/%7Ealgorith/files/eulerian-cycle.shtml">(Mathematica and Fortran)</A>

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<a href="javascript:if(confirm('http://hissa.nist.gov/~black/black.html  \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address.  \n\nDo you want to open it from the server?'))window.location='http://hissa.nist.gov/~black/black.html'" tppabs="http://hissa.nist.gov/~black/black.html">Paul E. Black</a>
&nbsp;(<a href="mailto:paul.black@nist.gov">paul.black@nist.gov</a>).

<p>
Entry modified Thu Jun 17 13:12:11 1999.<BR>
HTML page formatted Wed Dec 22 09:34:57 1999.

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