File: girth.man

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.TH girth 1 "September 1996" "Scilab Group" "Scilab function"
.so ../sci.an
.SH NAME
girth - girth of a directed graph
.SH CALLING SEQUENCE
.nf
d = girth(g)
.fi
.SH PARAMETERS
.TP 2
g
: graph list 
.TP 2
d
: integer
.SH DESCRIPTION
\fVgirth\fR computes the length (number of arcs) of the shortest cycle in an
unweighted directed graph \fVg\fR.
.SH EXAMPLE
.nf
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)
.fi