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connex(1) Scilab function connex(1)
NAME
connex - connected components
CALLING SEQUENCE
[nc,ncomp] = connex(g)
PARAMETERS
g : graph list
nc : integer, number of connected components
ncomp : row vector of connected components
DESCRIPTION
connex returns the number nc of connected components of graph g and a row
vector ncomp giving the number of the connected component for each node.
For instance, if i is a node number, ncomp[i] is the number of the con-
nected component to which node number i belongs.
EXAMPLE
ta=[1 1 2 2 2 3 4 4 5 6 7 7 7 8 9 10 12 12 13 13 14 15];
he=[2 6 3 4 5 1 3 5 1 7 5 8 9 5 8 11 10 11 11 15 13 14];
g=make_graph('foo',1,15,ta,he);
g('node_x')=[197 191 106 194 296 305 305 418 422 432 552 550 549 416 548];
g('node_y')=[76 181 276 278 276 83 174 281 177 86 175 90 290 397 399];
show_graph(g);
[nc,ncomp]=connex(g)
g('node_color')=10+ncomp;
g('node_diam')=10+10*ncomp;
x_message('Displaying the connected components of this graph');
show_graph(g);
SEE ALSO
con_nodes, is_connex, strong_connex, strong_con_nodes
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