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MathGroup Archive 2005

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Re: Directed Graph from Adjacency Matrix

  • To: mathgroup at smc.vnet.net
  • Subject: [mg58794] Re: Directed Graph from Adjacency Matrix
  • From: dh <dh at metrohm.ch>
  • Date: Tue, 19 Jul 2005 04:10:04 -0400 (EDT)
  • References: <dbflj5$n0m$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Hi,
If your adjacency matrix belongs to a directed graph, everything works 
as expected. However, if you think about an undirected graph, your 
adjacency matrix should be symmetric.

sincerely Daniel

confused wrote:
> I am new to Mathematica.  Here is my question.  How would I get a 
> directed graph from an adjacency matrix?  For instance, the 3x3 matrix 
> {{0,1,0},{0,0,1},{1,0,0}} defines a directed 3-cycle, but when I try to 
> turn it into a graph using FromAdjacencyMatrix, Mathematica returns a 
> graph with only two edges.
> 
> Thank you.
> 


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