To check out this repository please hg clone the following URL, or open the URL using EasyMercurial or your preferred Mercurial client.
root / _FullBNT / BNT / CPDs / @noisyor_CPD / CPD_to_pi.m @ 8:b5b38998ef3b
History | View | Annotate | Download (338 Bytes)
| 1 |
function pi = CPD_to_pi(CPD, msg_type, n, ps, msg, evidence) |
|---|---|
| 2 |
% CPD_TO_PI Compute pi vector (noisyor) |
| 3 |
% pi = CPD_to_pi(CPD, msg_type, n, ps, msg) |
| 4 |
% Pearl p188 eqn 4.57 |
| 5 |
|
| 6 |
switch msg_type |
| 7 |
case 'd', |
| 8 |
pi = sum_prod_CPD_and_pi_msgs(CPD, n, ps, msg); |
| 9 |
pi = [pi 1-pi]'; |
| 10 |
case 'g', |
| 11 |
error('can''t convert noisy-or CPD to Gaussian pi')
|
| 12 |
end |