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Artificial Intelligence and Soft Computing: Behavioral ... - Arteimi.info

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λ(B)<br />

∏E (B)<br />

Fig. 9.6: The computation <strong>and</strong> propagation of λ <strong>and</strong> ∏ messages<br />

from <strong>and</strong> to node B of fig. 9.4.<br />

A<br />

1. λB (A) = [P (B / A)] λ (B), where<br />

λ(B) = [ λ( B= B1), …..,λ (B = Bn )],<br />

2. ∏(B) = [P (B / A)] T ∏B (A), where<br />

∏B(A) = [∏ (A = A1), …., ∏(A= Am)]<br />

Link Processor B<br />

1. Bel (B) = λ(B) ∏(B), where<br />

λ(B)= λE (B) λF (B)<br />

2. ∏E (B) = β Bel (B) / λE (B)<br />

3. ∏F (B) =β Bel (B) / λF (B)<br />

Node Processor B<br />

Link<br />

processor E<br />

∏B(A)<br />

∏(B)<br />

λE (B) λF (B)<br />

Node Processor A<br />

λB (A)<br />

∏F (B)<br />

Link<br />

processor F<br />

Node Node<br />

E processor E Processor F F<br />

Bel (B)

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