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8
Incomplete Gamma and Related
Functions
Related Functions
8.19
Generalized Exponential Integral
8.19
Generalized Exponential Integral
8.20
Asymptotic Expansions of
E
p
(
z
)
Figure 8.19.3
(See
in context
.)
3D
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Figure 8.19.3:
E
1
(
x
+
i
y
)
,
−
4
≤
x
≤
4
,
−
4
≤
y
≤
4
. Principal value. There is a branch cut along the negative real axis.
3D
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ⓘ
Annotations:
Symbols:
E
p
(
z
)
: generalized exponential integral
,
i
: imaginary unit
and
x
: real variable
Permalink:
http://dlmf.nist.gov/8.19.F3.mag
Encodings:
Magnified png
,
Vizualization
,
pdf
See also:
Annotations for
§8.19
and
Ch.8