#8372: split up incidence_matrix() over graph.py and digraph.py
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   Reporter:  mvngu            |       Owner:  rlm         
       Type:  enhancement      |      Status:  needs_review
   Priority:  major            |   Milestone:  sage-4.3.4  
  Component:  graph theory     |    Keywords:              
     Author:  Minh Van Nguyen  |    Upstream:  N/A         
   Reviewer:                   |      Merged:              
Work_issues:                   |  
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Changes (by newvalueoldvalue):

  * status:  new => needs_review
  * author:  => Minh Van Nguyen


Comment:

 Here is a description of the changes in the patch
 [http://trac.sagemath.org/sage_trac/attachment/ticket/8372/trac_8372
 -incidence-matrix.patch trac_8372-incidence-matrix.patch]:

  * Add the module `digraph.py` to the reference manual.
  * Reorganize the module listing in the reference manual so that the
 module `cliquer.py` for cliques should not be the first one on the list.
 You want to first list undirected graphs, followed digraphs, etc.
  * Remove the method `incidence_matrix()` from `generic_graph.py`.
  * Implement `incidence_matrix()` both for undirected graphs as contained
 in `graph.py`, and for digraphs as contained in `digraph.py`.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8372#comment:1>
Sage <http://www.sagemath.org>
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