evidence+theory 源代码

function p = prob_CPD(CPD, domain, ns, cnodes, evidence) % PROB_CPD Compute prob of a node given evidence on the parents (discrete…

function pot = convert_to_pot(CPD, pot_type, domain, evidence) % CONVERT_TO_POT Convert a tabular CPD to one or more potentials % …

function pot = CPD_to_scgpot(CPD, domain, ns, cnodes, evidence) % CPD_TO_SCGPOT Convert a CPD to a CG potential, incorporating an…

function lam_msg = CPD_to_lambda_msg(CPD, msg_type, n, ps, msg, p, evidence) % CPD_TO_LAMBDA_MSG Compute lambda message (discrete…

function pot = convert_to_pot(CPD, pot_type, domain, evidence) % CONVERT_TO_POT Convert a discrete CPD to a potential % pot = co…

function y = sample_node(CPD, pvals) % SAMPLE_NODE Draw a random sample from P(Xi | x(pi_i), theta_i) (discrete) % y = sample_nod…

function L = log_marg_prob_node(CPD, self_ev, pev) % LOG_MARG_PROB_NODE Compute prod_m log int_{theta_i} P(x(i,m)| x(pi_i,m), thet…

function L = log_prob_node(CPD, self_ev, pev) % LOG_PROB_NODE Compute prod_m log P(x(i,m)| x(pi_i,m), theta_i) for node i (root) %…

function pi = CPD_to_pi(CPD, msg_type, n, ps, msg, evidence) % CPD_TO_PI Compute the pi vector (root) % function pi = CPD_to_pi(…

function pot = convert_to_pot(CPD, pot_type, domain, evidence) % CONVERT_TO_POT Convert a root CPD to one or more potentials % pot…