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NIST
30
Spheroidal Wave Functions
Properties
30.6
Functions of Complex Argument
30.8
Expansions in Series of Ferrers Functions
§30.7
Graphics
ⓘ
Permalink:
http://dlmf.nist.gov/30.7
See also:
Annotations for
Ch.30
Contents
§30.7(i)
Eigenvalues
§30.7(ii)
Functions of the First Kind
§30.7(iii)
Functions of the Second Kind
§30.7(iv)
Functions of Complex Argument
§30.7(i)
Eigenvalues
ⓘ
Keywords:
eigenvalues
,
graphics
,
spheroidal differential equation
Notes:
Figures
30.7.1
–
30.7.4
were produced at NIST with the aid of Maple procedures provided by the author.
Permalink:
http://dlmf.nist.gov/30.7.i
See also:
Annotations for
§30.7
and
Ch.30
Figure 30.7.1:
Eigenvalues
λ
n
0
(
γ
2
)
,
n
=
0
,
1
,
2
,
3
,
-
10
≤
γ
2
≤
10
.
Magnify
ⓘ
Symbols:
λ
n
m
(
γ
2
)
: eigenvalues of the spheroidal differential equation
,
n
≥
m
: integer degree
and
γ
2
: real parameter
Referenced by:
§30.7(i)
Permalink:
http://dlmf.nist.gov/30.7.F1
Encodings:
pdf
,
png
See also:
Annotations for
§30.7(i)
,
§30.7
and
Ch.30
Figure 30.7.2:
Eigenvalues
λ
n
1
(
γ
2
)
n
=
1
,
2
,
3
,
4
,
-
10
≤
γ
2
≤
10
.
Magnify
ⓘ
Symbols:
λ
n
m
(
γ
2
)
: eigenvalues of the spheroidal differential equation
,
n
≥
m
: integer degree
and
γ
2
: real parameter
Permalink:
http://dlmf.nist.gov/30.7.F2
Encodings:
pdf
,
png
See also:
Annotations for
§30.7(i)
,
§30.7
and
Ch.30
Figure 30.7.3:
Eigenvalues
λ
n
5
(
γ
2
)
,
n
=
5
,
6
,
7
,
8
,
-
40
≤
γ
2
≤
40
.
Magnify
ⓘ
Symbols:
λ
n
m
(
γ
2
)
: eigenvalues of the spheroidal differential equation
,
n
≥
m
: integer degree
and
γ
2
: real parameter
Permalink:
http://dlmf.nist.gov/30.7.F3
Encodings:
pdf
,
png
See also:
Annotations for
§30.7(i)
,
§30.7
and
Ch.30
Figure 30.7.4:
Eigenvalues
λ
n
10
(
γ
2
)
,
n
=
10
,
11
,
12
,
13
,
-
50
≤
γ
2
≤
150
.
Magnify
ⓘ
Symbols:
λ
n
m
(
γ
2
)
: eigenvalues of the spheroidal differential equation
,
n
≥
m
: integer degree
and
γ
2
: real parameter
Referenced by:
§30.7(i)
Permalink:
http://dlmf.nist.gov/30.7.F4
Encodings:
pdf
,
png
See also:
Annotations for
§30.7(i)
,
§30.7
and
Ch.30
§30.7(ii)
Functions of the First Kind
ⓘ
Keywords:
graphics
,
spheroidal wave functions
Notes:
Figures
30.7.5
–
30.7.10
were produced at NIST with the aid of Maple procedures provided by the author.
Permalink:
http://dlmf.nist.gov/30.7.ii
See also:
Annotations for
§30.7
and
Ch.30
Figure 30.7.5:
Ps
n
0
(
x
,
4
)
,
n
=
0
,
1
,
2
,
3
,
-
1
≤
x
≤
1
.
Magnify
ⓘ
Symbols:
Ps
n
m
(
x
,
γ
2
)
: spheroidal wave function of the first kind
,
x
: real variable
and
n
≥
m
: integer degree
Referenced by:
§30.7(ii)
Permalink:
http://dlmf.nist.gov/30.7.F5
Encodings:
pdf
,
png
See also:
Annotations for
§30.7(ii)
,
§30.7
and
Ch.30
Figure 30.7.6:
Ps
n
0
(
x
,
-
4
)
,
n
=
0
,
1
,
2
,
3
,
-
1
≤
x
≤
1
.
Magnify
ⓘ
Symbols:
Ps
n
m
(
x
,
γ
2
)
: spheroidal wave function of the first kind
,
x
: real variable
and
n
≥
m
: integer degree
Permalink:
http://dlmf.nist.gov/30.7.F6
Encodings:
pdf
,
png
See also:
Annotations for
§30.7(ii)
,
§30.7
and
Ch.30
Figure 30.7.7:
Ps
n
1
(
x
,
30
)
,
n
=
1
,
2
,
3
,
4
,
-
1
≤
x
≤
1
.
Magnify
ⓘ
Symbols:
Ps
n
m
(
x
,
γ
2
)
: spheroidal wave function of the first kind
,
x
: real variable
and
n
≥
m
: integer degree
Permalink:
http://dlmf.nist.gov/30.7.F7
Encodings:
pdf
,
png
See also:
Annotations for
§30.7(ii)
,
§30.7
and
Ch.30
Figure 30.7.8:
Ps
n
1
(
x
,
-
30
)
,
n
=
1
,
2
,
3
,
4
,
-
1
≤
x
≤
1
.
Magnify
ⓘ
Symbols:
Ps
n
m
(
x
,
γ
2
)
: spheroidal wave function of the first kind
,
x
: real variable
and
n
≥
m
: integer degree
Permalink:
http://dlmf.nist.gov/30.7.F8
Encodings:
pdf
,
png
See also:
Annotations for
§30.7(ii)
,
§30.7
and
Ch.30
Figure 30.7.9:
Ps
2
0
(
x
,
γ
2
)
,
-
1
≤
x
≤
1
,
-
50
≤
γ
2
≤
50
.
Magnify
3D
Help
ⓘ
Symbols:
Ps
n
m
(
x
,
γ
2
)
: spheroidal wave function of the first kind
,
x
: real variable
and
γ
2
: real parameter
Permalink:
http://dlmf.nist.gov/30.7.F9
Encodings:
Vizualization
,
pdf
,
png
See also:
Annotations for
§30.7(ii)
,
§30.7
and
Ch.30
Figure 30.7.10:
Ps
3
1
(
x
,
γ
2
)
,
-
1
≤
x
≤
1
,
-
50
≤
γ
2
≤
50
.
Magnify
3D
Help
ⓘ
Symbols:
Ps
n
m
(
x
,
γ
2
)
: spheroidal wave function of the first kind
,
x
: real variable
and
γ
2
: real parameter
Referenced by:
§30.7(ii)
Permalink:
http://dlmf.nist.gov/30.7.F10
Encodings:
Vizualization
,
pdf
,
png
See also:
Annotations for
§30.7(ii)
,
§30.7
and
Ch.30
§30.7(iii)
Functions of the Second Kind
ⓘ
Notes:
Figures
30.7.11
–
30.7.15
were produced at NIST with the aid of Maple procedures provided by the author.
Permalink:
http://dlmf.nist.gov/30.7.iii
See also:
Annotations for
§30.7
and
Ch.30
Figure 30.7.11:
Qs
n
0
(
x
,
4
)
,
n
=
0
,
1
,
2
,
3
,
-
1
<
x
<
1
.
Magnify
ⓘ
Symbols:
Qs
n
m
(
x
,
γ
2
)
: spheroidal wave function of the second kind
,
x
: real variable
and
n
≥
m
: integer degree
Referenced by:
§30.7(iii)
Permalink:
http://dlmf.nist.gov/30.7.F11
Encodings:
pdf
,
png
See also:
Annotations for
§30.7(iii)
,
§30.7
and
Ch.30
Figure 30.7.12:
Qs
n
0
(
x
,
-
4
)
,
n
=
0
,
1
,
2
,
3
,
-
1
<
x
<
1
.
Magnify
ⓘ
Symbols:
Qs
n
m
(
x
,
γ
2
)
: spheroidal wave function of the second kind
,
x
: real variable
and
n
≥
m
: integer degree
Permalink:
http://dlmf.nist.gov/30.7.F12
Encodings:
pdf
,
png
See also:
Annotations for
§30.7(iii)
,
§30.7
and
Ch.30
Figure 30.7.13:
Qs
n
1
(
x
,
4
)
, for
n
=
1
,
2
,
3
,
4
,
-
1
<
x
<
1
.
Magnify
ⓘ
Symbols:
Qs
n
m
(
x
,
γ
2
)
: spheroidal wave function of the second kind
,
x
: real variable
and
n
≥
m
: integer degree
Permalink:
http://dlmf.nist.gov/30.7.F13
Encodings:
pdf
,
png
See also:
Annotations for
§30.7(iii)
,
§30.7
and
Ch.30
Figure 30.7.14:
Qs
n
1
(
x
,
-
4
)
,
n
=
1
,
2
,
3
,
4
,
-
1
<
x
<
1
.
Magnify
ⓘ
Symbols:
Qs
n
m
(
x
,
γ
2
)
: spheroidal wave function of the second kind
,
x
: real variable
and
n
≥
m
: integer degree
Permalink:
http://dlmf.nist.gov/30.7.F14
Encodings:
pdf
,
png
See also:
Annotations for
§30.7(iii)
,
§30.7
and
Ch.30
Figure 30.7.15:
Qs
1
0
(
x
,
γ
2
)
,
-
1
<
x
<
1
,
-
10
≤
γ
2
≤
10
.
Magnify
3D
Help
ⓘ
Symbols:
Qs
n
m
(
x
,
γ
2
)
: spheroidal wave function of the second kind
,
x
: real variable
and
γ
2
: real parameter
Referenced by:
§30.7(iii)
Permalink:
http://dlmf.nist.gov/30.7.F15
Encodings:
Vizualization
,
pdf
,
png
See also:
Annotations for
§30.7(iii)
,
§30.7
and
Ch.30
§30.7(iv)
Functions of Complex Argument
ⓘ
Keywords:
graphics
,
spheroidal wave functions
Notes:
Figures
30.7.16
–
30.7.21
were produced at NIST with the aid of Maple procedures provided by the author.
Referenced by:
§30.1
Permalink:
http://dlmf.nist.gov/30.7.iv
See also:
Annotations for
§30.7
and
Ch.30
Figure 30.7.16:
|
Ps
0
0
(
x
+
i
y
,
4
)
|
,
-
2
≤
x
≤
2
,
-
2
≤
y
≤
2
.
Magnify
3D
Help
ⓘ
Symbols:
i
: imaginary unit
,
Ps
n
m
(
z
,
γ
2
)
: spheroidal wave function of complex argument
,
x
: real variable
and
y
: real variable
Referenced by:
§30.7(iv)
Permalink:
http://dlmf.nist.gov/30.7.F16
Encodings:
Vizualization
,
pdf
,
png
See also:
Annotations for
§30.7(iv)
,
§30.7
and
Ch.30
Figure 30.7.17:
|
Ps
0
0
(
x
+
i
y
,
-
4
)
|
,
-
2
≤
x
≤
2
,
-
2
≤
y
≤
2
.
Magnify
3D
Help
ⓘ
Symbols:
i
: imaginary unit
,
Ps
n
m
(
z
,
γ
2
)
: spheroidal wave function of complex argument
,
x
: real variable
and
y
: real variable
Permalink:
http://dlmf.nist.gov/30.7.F17
Encodings:
Vizualization
,
pdf
,
png
See also:
Annotations for
§30.7(iv)
,
§30.7
and
Ch.30
Figure 30.7.18:
|
Ps
1
1
(
x
+
i
y
,
4
)
|
,
-
2
≤
x
≤
2
,
-
2
≤
y
≤
2
.
Magnify
3D
Help
ⓘ
Symbols:
i
: imaginary unit
,
Ps
n
m
(
z
,
γ
2
)
: spheroidal wave function of complex argument
,
x
: real variable
and
y
: real variable
Permalink:
http://dlmf.nist.gov/30.7.F18
Encodings:
Vizualization
,
pdf
,
png
See also:
Annotations for
§30.7(iv)
,
§30.7
and
Ch.30
Figure 30.7.19:
|
Ps
1
1
(
x
+
i
y
,
-
4
)
|
,
-
2
≤
x
≤
2
,
-
2
≤
y
≤
2
.
Magnify
3D
Help
ⓘ
Symbols:
i
: imaginary unit
,
Ps
n
m
(
z
,
γ
2
)
: spheroidal wave function of complex argument
,
x
: real variable
and
y
: real variable
Permalink:
http://dlmf.nist.gov/30.7.F19
Encodings:
Vizualization
,
pdf
,
png
See also:
Annotations for
§30.7(iv)
,
§30.7
and
Ch.30
Figure 30.7.20:
|
Qs
0
0
(
x
+
i
y
,
4
)
|
,
-
2
≤
x
≤
2
,
-
2
≤
y
≤
2
.
Magnify
3D
Help
ⓘ
Symbols:
i
: imaginary unit
,
Qs
n
m
(
z
,
γ
2
)
: spheroidal wave function of complex argument
,
x
: real variable
and
y
: real variable
Permalink:
http://dlmf.nist.gov/30.7.F20
Encodings:
Vizualization
,
pdf
,
png
See also:
Annotations for
§30.7(iv)
,
§30.7
and
Ch.30
Figure 30.7.21:
|
Qs
0
0
(
x
+
i
y
,
-
4
)
|
,
-
1.8
≤
x
≤
1.8
,
-
2
≤
y
≤
2
.
Magnify
3D
Help
ⓘ
Symbols:
i
: imaginary unit
,
Qs
n
m
(
z
,
γ
2
)
: spheroidal wave function of complex argument
,
x
: real variable
and
y
: real variable
Referenced by:
§30.7(iv)
Permalink:
http://dlmf.nist.gov/30.7.F21
Encodings:
Vizualization
,
pdf
,
png
See also:
Annotations for
§30.7(iv)
,
§30.7
and
Ch.30