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| author | ziejd2 | 2018-03-14 23:23:33 -0500 |
|---|---|---|
| committer | GitHub | 2018-03-14 23:23:33 -0500 |
| commit | 1ff6baa44e22b91eefb48aea6f3befa078c0489b (patch) | |
| tree | e0fd79d2e32fd2aedda2eadaed0f19af3514c520 /sourcecodes/bnt-master/BNT/CPDs/@tabular_decision_node/tabular_decision_node.m | |
| parent | 6882395afdadf4e982b25b5215071a0932730950 (diff) | |
| parent | c80226899f5cdd9f11c163817d59445213f5bef0 (diff) | |
| download | BNW-1ff6baa44e22b91eefb48aea6f3befa078c0489b.tar.gz | |
Merge pull request #1 from ziejd2/octave_php_separate
Octave php separate
Diffstat (limited to 'sourcecodes/bnt-master/BNT/CPDs/@tabular_decision_node/tabular_decision_node.m')
| -rw-r--r-- | sourcecodes/bnt-master/BNT/CPDs/@tabular_decision_node/tabular_decision_node.m | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/sourcecodes/bnt-master/BNT/CPDs/@tabular_decision_node/tabular_decision_node.m b/sourcecodes/bnt-master/BNT/CPDs/@tabular_decision_node/tabular_decision_node.m new file mode 100644 index 00000000..75ca5780 --- /dev/null +++ b/sourcecodes/bnt-master/BNT/CPDs/@tabular_decision_node/tabular_decision_node.m @@ -0,0 +1,45 @@ +function CPD = tabular_decision_node(bnet, self, CPT) +% TABULAR_DECISION_NODE Represent a stochastic policy over a discrete decision/action node as a table +% CPD = tabular_decision_node(bnet, self, CPT) +% +% node is the number of a node in this equivalence class. +% CPT is an optional argument (see tabular_CPD for details); by default, it is the uniform policy. + +if nargin==0 + % This occurs if we are trying to load an object from a file. + CPD = init_fields; + CPD = class(CPD, 'tabular_decision_node', discrete_CPD(1, [])); + return; +elseif isa(bnet, 'tabular_decision_node') + % This might occur if we are copying an object. + CPD = bnet; + return; +end +CPD = init_fields; + +ns = bnet.node_sizes; +fam = family(bnet.dag, self); +ps = parents(bnet.dag, self); +sz = ns(fam); + +if nargin < 3 + CPT = mk_stochastic(myones(sz)); +else + CPT = myreshape(CPT, sz); +end + +CPD.CPT = CPT; +CPD.sizes = sz; + +clamped = 1; % don't update using EM +CPD = class(CPD, 'tabular_decision_node', discrete_CPD(clamped, ns([ps self]))); + +%%%%%%%%%%% + +function CPD = init_fields() +% This ensures we define the fields in the same order +% no matter whether we load an object from a file, +% or create it from scratch. (Matlab requires this.) + +CPD.CPT = []; +CPD.sizes = []; |
