A = abc_inc ( );
[ i, j ] = find ( A );
nodenames = {'Apton', 'Benton', 'Clinton'};
D = digraph ( i, j, [], nodenames );
plot ( D, 'arrowsize', 25, 'linewidth', 2, 'markersize', 15, 'nodefontsize', 16 );
filename = 'abc.png';
print ( '-dpng', filename );
fprintf ( 1, '  Graphics saved as "%s"\n', filename );

A = abcd_inc ( );
[ i, j ] = find ( A );
nodenames = {'Apton', 'Benton', 'Clinton', 'Dayton' };
D = digraph ( i, j, [], nodenames );
plot ( D, 'arrowsize', 25, 'linewidth', 2, 'markersize', 15, 'nodefontsize', 16 );
filename = 'abcd.png';
print ( '-dpng', filename );
fprintf ( 1, '  Graphics saved as "%s"\n', filename );

A = five_inc ( );
[ i, j ] = find ( A );
D = digraph ( i, j, [], nodenames );
plot ( D, 'arrowsize', 25, 'linewidth', 2, 'markersize', 15, 'nodefontsize', 16 );
filename = 'five.png';
print ( '-dpng', filename );
fprintf ( 1, '  Graphics saved as "%s"\n', filename );

A = moler_inc ( );
[ i, j ] = find ( A );
D = digraph ( i, j, [], nodenames );
plot ( D, 'arrowsize', 25, 'linewidth', 2, 'markersize', 15, 'nodefontsize', 16 );
filename = 'moler.png';
print ( '-dpng', filename );
fprintf ( 1, '  Graphics saved as "%s"\n', filename );

A = sauer_inc ( );
[ i, j ] = find ( A );
D = digraph ( i, j, [], nodenames );
plot ( D, 'arrowsize', 25, 'linewidth', 2, 'markersize', 15, 'nodefontsize', 16 );
filename = 'sauer.png';
print ( '-dpng', filename );
fprintf ( 1, '  Graphics saved as "%s"\n', filename );

