Information Technology Reference
In-Depth Information
introduction of variation in the set of random numerical constants throughout
the learning process.
Consider, for instance, the simple chromosome below composed of just
one gene with an
h
= 7 (the Dc is shown in bold):
01234567890123456789012
+?*+?**aaa??aaa
68083295
(5.4)
where the terminal “?” represents the random numerical constants. The ex-
pression of this kind of chromosome is done exactly as before, obtaining:
?
?
a
a
a
?
Then the ?'s in the ET are replaced from left to right and from top to bottom
by the symbols (numerals, for simplicity) in the Dc, obtaining:
6
8
a
a
a
0
The values corresponding to these symbols are kept in an array. For simplic-
ity, the number represented by the numeral indicates the order in the array.
For instance, for the following 10 elements array of RNCs:
C = {0.611, 1.184, 2.449, 2.98, 0.496, 2.286, 0.93, 2.305, 2.737, 0.755}
the chromosome (5.4) above gives:
