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2.5 Level Operators Over EIFIMs
K
∗
,
L
∗
,
{
μ
k
i
,
l
j
,ν
k
i
,
l
j
}]
Let the EIFIM
A
=[
be given.
Let for
i
be fixed numbers.
In [7,13], several level operators are defined. One of them, for a given IFS
=
1
,
2
,
3
:
ρ
i
,σ
i
,ρ
i
+
σ
i
∈[
0
,
1
]
X
={
x
,μ
X
(
x
), ν
X
(
x
)
|
x
∈
E
}
is
N
α,β
(
X
)
={
x
,μ
X
(
x
), ν
X
(
x
)
|
x
∈
E
&
μ
X
(
x
)
≥
α
&
ν
X
(
x
)
≤
β
}
,
where
1.
Here, its analogues are introduced. They are three:
N
1
ρ
α, β
∈[
0
,
1
]
are fixed and
α
+
β
≤
N
2
ρ
N
3
ρ
,
,
and
,σ
,σ
,σ
1
1
2
2
3
3
affect the
K
-,
L
-indices and
-elements, respectively. The three operators
can be applied over an EIFIM
A
either sequentially, or simultaneously. In the first
case, their forms are
μ
k
i
,
l
j
,ν
k
i
,
l
j
N
1
ρ
K
∗
),
L
∗
,
{
ϕ
k
i
,
l
j
,ψ
k
i
,
l
j
}]
,
(
A
)
=[
N
ρ
1
,σ
1
(
,σ
1
1
where
ϕ
k
i
,
l
j
,ψ
k
i
,
l
j
=
μ
k
i
,
l
j
,ν
k
i
,
l
j
k
k
K
∗
)
l
l
L
∗
;
only for
k
i
,α
i
,β
i
∈
N
ρ
1
,σ
1
(
and for each
l
j
,α
j
,β
j
∈
N
2
K
∗
,
L
∗
),
{
ϕ
k
i
,
l
j
,ψ
k
i
,
l
j
}]
,
ρ
2
,σ
2
(
A
)
=[
N
(
ρ
,σ
2
2
where
ϕ
k
i
,
l
j
,ψ
k
i
,
l
j
=
μ
k
i
,
l
j
,ν
k
i
,
l
j
k
k
K
∗
and only for
l
l
L
∗
)
for each
k
i
,α
i
,β
i
∈
l
j
,α
j
,β
j
∈
N
ρ
2
,σ
2
(
;
N
3
K
∗
,
L
∗
,
{
ϕ
k
i
,
l
j
,ψ
k
i
,
l
j
}]
,
ρ
3
,σ
3
(
A
)
=[
where
⎧
⎨
⎩
μ
k
i
,
l
j
,ν
k
i
,
l
j
,
if
μ
k
i
,
l
j
≥
ρ
3
&
ν
k
i
,
l
j
≤
σ
3
ϕ
k
i
,
l
j
,ψ
k
i
,
l
j
=
,
0
,
1
,
otherwise
In the second case, their form is
N
1
N
2
N
3
K
∗
),
L
∗
),
{
ϕ
k
i
,
l
j
,ψ
k
i
,
l
j
}]
,
(
ρ
1
,σ
1
,
ρ
2
,σ
2
,
ρ
3
,σ
3
)(
A
)
=[
N
(
N
(
ρ
,σ
ρ
,σ
1
1
2
2
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