1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
% TEST_LAYOUT Script to test some bayesian net layouts
%
% Change History :
% Date Time Prog Note
% 13-Apr-2000 10:40 PM ATC Created under MATLAB 5.3.1.29215a (R11.1)
% ATC = Ali Taylan Cemgil,
% SNN - University of Nijmegen, Department of Medical Physics and Biophysics
% e-mail : cemgil@mbfys.kun.nl
%bnet = mk_asia_bnet;
%draw_graph(bnet.dag);
% Make the following network (from Jensen (1996) p84 fig 4.17)
% 1
% / | \
% 2 3 4
% | | |
% 5 6 7
% \/ \/
% 8 9
% where all arcs point downwards
disp('plot directed')
clf;
N = 9;
dag = zeros(N,N);
dag(1,2)=1; dag(1,3)=1; dag(1,4)=1;
dag(2,5)=1; dag(3,6)=1; dag(4,7)=1;
dag(5,8)=1; dag(6,8)=1; dag(6,9)=1; dag(7,9) = 1;
draw_graph(dag);
pause
clf
disp('plot undirected')
udag = [dag+dag'];
draw_graph(udag);
pause
clf
disp('plot mixed')
mg = [dag];
mg(2,1) = 1; mg(8,5) = 1;
draw_graph(mg);
|
