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<b>let </b><font color="Maroon">c<sub>1</sub></font> be  <a href="glib_003.html#V7" target="_self">real-weighted</a> <a href="glib_003.html#NM1">WGraph</a>;<br/><b>let </b><font color="Maroon">c<sub>2</sub></font> be    <a href="glib_001.html#M3">Walk</a> of <font color="Maroon">c<sub>1</sub></font>;<br/>



<b>thus </b><font color="Maroon">c<sub>2</sub></font> <a href="glib_003.html#K10" target="_self">.cost()</a>  = 
 <a href="rvsum_1.html#K15">Sum</a> <span class="p1">(<span class="default"><font color="Maroon">c<sub>2</sub></font> <a href="glib_003.html#K9" target="_self">.weightSeq()</a> </span>)</span>

<br/>.= 
 <a href="rvsum_1.html#K15">Sum</a> <span class="p1">(<span class="default"><a href="finseq_5.html#K4">Rev</a> <span class="p2">(<span class="default"><font color="Maroon">c<sub>2</sub></font> <a href="glib_003.html#K9" target="_self">.weightSeq()</a> </span>)</span></span>)</span>
<b>by </b><i><a class="ref" href="polynom3.html#T3">POLYNOM3:3</a></i>
<br/>.= 
 <a href="rvsum_1.html#K15">Sum</a> <span class="p1">(<span class="default"><span class="p2">(<span class="default"><font color="Maroon">c<sub>2</sub></font> <a href="glib_001.html#K6">.reverse()</a> </span>)</span> <a href="glib_003.html#K9" target="_self">.weightSeq()</a> </span>)</span>
<b>by </b><i><a class="ref" href="glib_003.html#T22" target="_self">Th22</a></i>
<br/>.= 
<span class="p1">(<span class="default"><font color="Maroon">c<sub>2</sub></font> <a href="glib_001.html#K6">.reverse()</a> </span>)</span> <a href="glib_003.html#K10" target="_self">.cost()</a> 

;<br/>


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