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9
Airy and Related Functions
Airy Functions
9.3
Graphics
9.5
Integral Representations
§9.4
Maclaurin Series
ⓘ
Keywords:
Airy functions
,
Maclaurin series
Notes:
See
Miller (
1946
, p. B17)
and
Olver (
1997b
, p. 54)
.
Referenced by:
§9.17(i)
Permalink:
http://dlmf.nist.gov/9.4
See also:
Annotations for
Ch.9
For
z
∈
ℂ
9.4.1
Ai
(
z
)
=
Ai
(
0
)
(
1
+
1
3
!
z
3
+
1
⋅
4
6
!
z
6
+
1
⋅
4
⋅
7
9
!
z
9
+
⋯
)
+
Ai
′
(
0
)
(
z
+
2
4
!
z
4
+
2
⋅
5
7
!
z
7
+
2
⋅
5
⋅
8
10
!
z
10
+
⋯
)
,
ⓘ
Symbols:
Ai
(
z
)
: Airy function
,
!
: factorial (as in
n
!
)
and
z
: complex variable
Source:
Olver (
1997b
, p. 54)
A&S Ref:
10.4.2
(with 10.4.4 and 10.4.5)
Permalink:
http://dlmf.nist.gov/9.4.E1
Encodings:
TeX
,
pMML
,
png
See also:
Annotations for
§9.4
and
Ch.9
9.4.2
Ai
′
(
z
)
=
Ai
′
(
0
)
(
1
+
2
3
!
z
3
+
2
⋅
5
6
!
z
6
+
2
⋅
5
⋅
8
9
!
z
9
+
⋯
)
+
Ai
(
0
)
(
1
2
!
z
2
+
1
⋅
4
5
!
z
5
+
1
⋅
4
⋅
7
8
!
z
8
+
⋯
)
,
ⓘ
Symbols:
Ai
(
z
)
: Airy function
,
!
: factorial (as in
n
!
)
and
z
: complex variable
Proof sketch:
Use methods of
Olver (
1997b
, p. 54)
.
Permalink:
http://dlmf.nist.gov/9.4.E2
Encodings:
TeX
,
pMML
,
png
See also:
Annotations for
§9.4
and
Ch.9
9.4.3
Bi
(
z
)
=
Bi
(
0
)
(
1
+
1
3
!
z
3
+
1
⋅
4
6
!
z
6
+
1
⋅
4
⋅
7
9
!
z
9
+
⋯
)
+
Bi
′
(
0
)
(
z
+
2
4
!
z
4
+
2
⋅
5
7
!
z
7
+
2
⋅
5
⋅
8
10
!
z
10
+
⋯
)
,
ⓘ
Symbols:
Bi
(
z
)
: Airy function
,
!
: factorial (as in
n
!
)
and
z
: complex variable
Proof sketch:
Use methods of
Olver (
1997b
, p. 54)
.
A&S Ref:
10.4.3
(with 10.4.4 and 10.4.5)
Referenced by:
(9.12.15)
Permalink:
http://dlmf.nist.gov/9.4.E3
Encodings:
TeX
,
pMML
,
png
See also:
Annotations for
§9.4
and
Ch.9
9.4.4
Bi
′
(
z
)
=
Bi
′
(
0
)
(
1
+
2
3
!
z
3
+
2
⋅
5
6
!
z
6
+
2
⋅
5
⋅
8
9
!
z
9
+
⋯
)
+
Bi
(
0
)
(
1
2
!
z
2
+
1
⋅
4
5
!
z
5
+
1
⋅
4
⋅
7
8
!
z
8
+
⋯
)
.
ⓘ
Symbols:
Bi
(
z
)
: Airy function
,
!
: factorial (as in
n
!
)
and
z
: complex variable
Proof sketch:
Use methods of
Olver (
1997b
, p. 54)
.
Permalink:
http://dlmf.nist.gov/9.4.E4
Encodings:
TeX
,
pMML
,
png
See also:
Annotations for
§9.4
and
Ch.9