(.2.4.2) (Warren McCulloch and Walter Pitts) 1943.
, 1, . . , :
(2.13)
- (.2.38) - (synapse weight), .
. 2.38.
. , .
(2.13)
, (2.14)
.
(a bias). , (n +1) .
x 0 . , .
, , , . 2.39.
. 2.39.
, ( -, ) , . , . .
. (weighted directed graph), , ( ) . : , ( ) . . :
;
, ;
, .
:
(Feed-forward network), ()
(Feedback network or Recurrent), .
. 2.40 .
. 2.40.
. () . . .
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