Environmental Engineering Reference
In-Depth Information
Tabl e C. 4
continued
Inverse Image Functions
Image Functions
1
√
2
3
sin
1
αω
αω
r
2
δ
(
r
−
α
)
,
α
>
0
4
π
π
2
sin
α
r
1
ω
[
δ
(
ω
−
α
)
−
δ
(
ω
+
α
)]
r
2
π
1
r
1
ω
2
r
−
3
/
2
ω
−
3
/
2
2
π
n
+
1
n
!
ω
α
r
n
−
1
e
−
α
r
,
α
>
0
,
n
≥
1
α
2
+
ω
2
ω
α
2
m
+
1
]
m
=
0
(
−
[
2
m
C
2
m
+
1
n
·
1
)
+
1
(
r
2
)
γ
,
1
−
0
<
r
<
1
2
γ
Γ
(
γ
+
)
ω
−
γ
−
3
/
2
J
γ
+
3
/
2
(
ω
)
,
Re
γ
> −
1
,
1
0
,
r
>
1
⎨
⎩
2
0
,
0
<
r
<
α
1
ω
1
r
√
r
2
J
0
(
αω
)
2
,
r
>
α
−
α
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