Biomedical Engineering Reference
In-Depth Information
By.regrouping.the.items,.the.schema.evolution.equation.under.the.copy-
and-paste.operation.can.be.derived.as
p
L L
(
)
copy
P
,
t
1
(1
p
) ( , )
P
t
ξ
+
=
ξ
+
copy
2
(
+
1)
g
.
.
(4.30)
L L
L L
g
g
[
]
×
∆ ξ
( ,
V
;
ξ
,
G
) ( ,
∆ ξ
V
′ ξ
;
,
V P
)
(
ξ
, ) (
t P
ξ
, )
t
k
m
c k
,
k
n
k
m
n
ξ
S
ξ ∈
S
c
=
0
k
=
0
..
m
ξ
n
ξ
4.2.3 exact Schema evolution equation for Cut-and-Paste
Similar. to. the. copy-and-paste. operation,. the. cut-and-paste. operation. for.
schemata.ξ m ,.ξ n .is.graphically.depicted.in. Figure 4.3 . .A.transposon.of.length.
ξ n .. At.
the.same.time,.another.transposon.with.the.same.length.is.cut.from.ξ n .and.
pasted.onto.ξ m .to.form.
1
L
<
L
. is. cut. from. ξ m . and. pasted. onto. ξ n . to. form. a. new. schema.
g
ξ m ..To.insert.the.transposons.into.the.selected.loca-
tions.(starting.with.the.bit.locations. k m .and. k n ,.respectively),.some.bits.in.the.
original.schemata.have.to.be.shifted.accordingly.
Referring.to. Figure 4.3 , .different.regions.are.deined.as.follows:
.
1. Transposonregion :. G c
, , indicates.the.bit.locations.of.the.selected.
transposon.cut.from.ξ j .that.fall.into.the.deining.length.region. p
c k
j
i
i
[
,
p
2 .
]
1
of.ξ.after.pasting.into.ξi. i .
M c m, k m
G c m c n k n
ξ m
k m
c m
G c n c m k m
M c n, k n
c n
k n
ξ n
ξ n
ξ ´ m
M c m, k m
M c n, k n
I c n, k n
R c n, k n
R c m, k m
I c m, k m
R c m, k m
ξ
ξ
p 1
p 2
p 1
p 2
Targeted schema
Targeted schema
Figure 4.3
Cut-and-paste. on. schemata. ξ m . and. ξ n . where.
ξ . are. the. resultant. schemata. that. will.
be. compared. with. the. targeted. schema. ξ.. (From. Tang,. K.. S.,. Yin,. R.. J.,. Kwong,. S.,. Ng,. K.. T.,.
Man,.K..F.,.A.theoretical.development.and.analysis.of.jumping.gene.genetic.algorithm,. IEEE
TransactionsonIndustrialInformatics ,.7(3),.2011,.408-418.)
ξ . and.
 
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