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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Remove possible edge between vertices labeled vLabel1 and vLabel2.</TD>
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<CODE>&nbsp;<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../structure/GraphMatrixUndirected.html#toString()">toString</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Construct a string representation of graph.</TD>
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&nbsp;<A NAME="methods_inherited_from_class_structure.GraphMatrix"><!-- --></A>
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<TD><B>Methods inherited from class structure.<A HREF="../structure/GraphMatrix.html">GraphMatrix</A></B></TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../structure/GraphMatrix.html#add(java.lang.Object)">add</A>, <A HREF="../structure/GraphMatrix.html#clear()">clear</A>, <A HREF="../structure/GraphMatrix.html#contains(java.lang.Object)">contains</A>, <A HREF="../structure/GraphMatrix.html#containsEdge(java.lang.Object, java.lang.Object)">containsEdge</A>, <A HREF="../structure/GraphMatrix.html#degree(java.lang.Object)">degree</A>, <A HREF="../structure/GraphMatrix.html#get(java.lang.Object)">get</A>, <A HREF="../structure/GraphMatrix.html#getEdge(java.lang.Object, java.lang.Object)">getEdge</A>, <A HREF="../structure/GraphMatrix.html#isDirected()">isDirected</A>, <A HREF="../structure/GraphMatrix.html#isEmpty()">isEmpty</A>, <A HREF="../structure/GraphMatrix.html#isVisited(java.lang.Object)">isVisited</A>, <A HREF="../structure/GraphMatrix.html#isVisitedEdge(structure.Edge)">isVisitedEdge</A>, <A HREF="../structure/GraphMatrix.html#iterator()">iterator</A>, <A HREF="../structure/GraphMatrix.html#neighbors(java.lang.Object)">neighbors</A>, <A HREF="../structure/GraphMatrix.html#remove(java.lang.Object)">remove</A>, <A HREF="../structure/GraphMatrix.html#reset()">reset</A>, <A HREF="../structure/GraphMatrix.html#size()">size</A>, <A HREF="../structure/GraphMatrix.html#visit(java.lang.Object)">visit</A>, <A HREF="../structure/GraphMatrix.html#visitEdge(structure.Edge)">visitEdge</A></CODE></TD>
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&nbsp;<A NAME="methods_inherited_from_class_structure.AbstractStructure"><!-- --></A>
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<TD><B>Methods inherited from class structure.<A HREF="../structure/AbstractStructure.html">AbstractStructure</A></B></TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../structure/AbstractStructure.html#elements()">elements</A>, <A HREF="../structure/AbstractStructure.html#hashCode()">hashCode</A>, <A HREF="../structure/AbstractStructure.html#values()">values</A></CODE></TD>
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<TD><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A></B></TD>
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<TD><CODE><A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html#<clinit>()"><clinit></A>, <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html#clone()">clone</A>, <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html#equals(java.lang.Object)">equals</A>, <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html#finalize()">finalize</A>, <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html#getClass()">getClass</A>, <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html#notify()">notify</A>, <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html#notifyAll()">notifyAll</A>, <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html#registerNatives()">registerNatives</A>, <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html#wait()">wait</A>, <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html#wait(long)">wait</A>, <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html#wait(long, int)">wait</A></CODE></TD>
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&nbsp;<A NAME="methods_inherited_from_class_structure.Structure"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
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<TD><B>Methods inherited from interface structure.<A HREF="../structure/Structure.html">Structure</A></B></TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../structure/Structure.html#elements()">elements</A>, <A HREF="../structure/Structure.html#values()">values</A></CODE></TD>
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<!-- ============ FIELD DETAIL =========== -->


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<B>Constructor Detail</B></FONT></TD>
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<A NAME="GraphMatrixUndirected(int)"><!-- --></A><H3>
GraphMatrixUndirected</H3>
<PRE>
public <B>GraphMatrixUndirected</B>(int&nbsp;size)</PRE>
<DL>
<DD>Construct an undirected, adjacency-matrix based graph.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>size</CODE> - Maximum number of vertices in graph.</DL>
</DD>
</DL>

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<A NAME="addEdge(java.lang.Object, java.lang.Object, java.lang.Object)"><!-- --></A><H3>
addEdge</H3>
<PRE>
public void <B>addEdge</B>(<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A>&nbsp;vLabel1,
                    <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A>&nbsp;vLabel2,
                    <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A>&nbsp;label)</PRE>
<DL>
<DD>Add an edge between two vertices within the graph.  Edge is undirected.
 Duplicate edges are silently replaced.
 Labels on edges may be null.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../structure/GraphMatrix.html#addEdge(java.lang.Object, java.lang.Object, java.lang.Object)">addEdge</A></CODE> in class <CODE><A HREF="../structure/GraphMatrix.html">GraphMatrix</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>vLabel1</CODE> - One vertex.<DD><CODE>vLabel2</CODE> - Another vertex.<DD><CODE>label</CODE> - Label associated with the edge.<DT><B>Precondition:</B><DD>vLabel1 and vLabel2 are labels of existing vertices, v1 & v2<DT><B>Postcondition:</B><DD>an edge (undirected) is inserted between v1 and v2;
       if edge is new, it is labeled with label (can be null)</DL>
</DD>
</DL>
<HR>

<A NAME="removeEdge(java.lang.Object, java.lang.Object)"><!-- --></A><H3>
removeEdge</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A> <B>removeEdge</B>(<A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A>&nbsp;vLabel1,
                         <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A>&nbsp;vLabel2)</PRE>
<DL>
<DD>Remove possible edge between vertices labeled vLabel1 and vLabel2.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../structure/GraphMatrix.html#removeEdge(java.lang.Object, java.lang.Object)">removeEdge</A></CODE> in class <CODE><A HREF="../structure/GraphMatrix.html">GraphMatrix</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>vLabel1</CODE> - One vertex.<DD><CODE>vLabel2</CODE> - Another vertex.<DT><B>Precondition:</B><DD>vLabel1 and vLabel2 are labels of existing vertices<DT><B>Postcondition:</B><DD>edge is removed, its label is returned<DT><B>Returns:</B><DD>The label associated with the edge removed.</DL>
</DD>
</DL>
<HR>

<A NAME="edgeCount()"><!-- --></A><H3>
edgeCount</H3>
<PRE>
public int <B>edgeCount</B>()</PRE>
<DL>
<DD>Determine the number of edges in graph.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../structure/GraphMatrix.html#edgeCount()">edgeCount</A></CODE> in class <CODE><A HREF="../structure/GraphMatrix.html">GraphMatrix</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Postcondition:</B><DD>returns the number of edges in graph<DT><B>Returns:</B><DD>Number of edges in graph.</DL>
</DD>
</DL>
<HR>

<A NAME="edges()"><!-- --></A><H3>
edges</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/util/Iterator.html">Iterator</A> <B>edges</B>()</PRE>
<DL>
<DD>Construct an traversal over all edges.
 edge is considered exactly once.  Order is not guaranteed.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../structure/GraphMatrix.html#edges()">edges</A></CODE> in class <CODE><A HREF="../structure/GraphMatrix.html">GraphMatrix</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Postcondition:</B><DD>returns traversal across all edges of graph (returns Edges)<DT><B>Returns:</B><DD>AbstractIterator over edges.</DL>
</DD>
</DL>
<HR>

<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/String.html">String</A> <B>toString</B>()</PRE>
<DL>
<DD>Construct a string representation of graph.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html#toString()">toString</A></CODE> in class <CODE><A HREF="http://java.sun.com/j2se/1.3/docs/api/java/lang/Object.html">Object</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Postcondition:</B><DD>returns string representation of graph<DT><B>Returns:</B><DD>String representing graph.</DL>
</DD>
</DL>
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