Information Technology Reference
In-Depth Information
1
( 0.4, 0.5, 0.1 )
(1,0,0)
1
( 0.1, 0.2, 0.7 )
1
IN1
1
Figure 3.6
Functionality space for function set
{
AND, OR
}
and terminal set
{
IN1
}
showing example functionalities. Vector plots of functionalities are used for illustra-
tive purposes in this chapter.
Specificites
AND
1
½
½
0.5
=
+
(
+
)
2
1
1
2
3
Figure 3.7
Derivation of functionality. An AND enzyme's functionality is derived
from the functionality of the AND function and its specificities using Equations 1 and
2 with
inputbias
=
1
2
. The enzyme's functionality captures the function and terminal
content, weighted by depth, of its ideal subtrees (shown dashed).