File: girth.cat

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scilab 2.6-4
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girth            Scilab Group            Scilab function              girth
NAME
   girth - girth of a directed graph
  
CALLING SEQUENCE
 d = girth(g)
PARAMETERS
 g  : graph list 
    
 d  : integer
    
DESCRIPTION
   girth computes the length (number of arcs) of the shortest cycle in an
  unweighted directed graph g.
  
EXAMPLE
 ta=[1 6 2 4 7 5 6 8 4 3 5 1];
 he=[2 1 3 6 4 8 8 7 2 7 3 5];
 g=make_graph('foo',1,8,ta,he);
 g('node_x')=[285  284  335  160  405  189  118  45];
 g('node_y')=[266  179   83  176  368  252  64  309];
 show_graph(g);
 d=girth(g)