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
|
if 0
% Generate some sample paths
bnet = mk_map_hhmm('p', 1);
% assign numbers to the nodes in topological order
U = 1; A = 2; C = 3; F = 4; O = 5;
seed = 0;
rand('state', seed);
randn('state', seed);
% control policy = sweep right then left
T = 10;
ss = 5;
ev = cell(ss, T);
ev(U,:) = num2cell([R*ones(1,5) L*ones(1,5)]);
% fix initial conditions to be in left most state
ev{A,1} = 1;
ev{C,1} = 1;
evidence = sample_dbn(bnet, 'length', T, 'evidence', ev)
% Now do same but with noisy actuators
bnet = mk_map_hhmm('p', 0.8);
evidence = sample_dbn(bnet, 'length', T, 'evidence', ev)
end
% Now do same but with 4 observations per slice
bnet = mk_map_hhmm('p', 0.8, 'obs_model', 'four');
ss = bnet.nnodes_per_slice;
ev = cell(ss, T);
ev(U,:) = num2cell([R*ones(1,5) L*ones(1,5)]);
ev{A,1} = 1;
ev{C,1} = 1;
evidence = sample_dbn(bnet, 'length', T, 'evidence', ev)
|