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4.2 The Continuous Associative Completion 49

a) b) c) d)
x 3
x 3
x 3
x 2
x 2
s 2
x 1 x 2
x 1
s 1

S
Figure 4.5: a–d: PSOM associative completion or recall procedure (I f g,
P=diag(1,0,1)) for a rectangular spaced set of x x tuples to x , x
together with the original training set of Fig. 4.1,4.5. (a) the input space in the x

plane, (b) the resulting (Eq. 4.4) mapping coordinates s S, (c) the completed
data set in X, (d) the desired output space projection (looking down x ).

x 3 x 3
x 3

x 2 x 2
s 2
x 2
x 1 x 1
s 1

Figure 4.6: a–d: PSOM associative completion procedure, but in contrast to

Fig. 4.5 here mapping from the input subspace x with the input components
I f
g (P=diag(1,1,0)).