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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 8.19.2
(See
in context
.)
Figure 8.19.2:
E
1
2
(
x
+
i
y
)
,
−
4
≤
x
≤
4
,
−
4
≤
y
≤
4
. Principal value. There is a branch cut along the negative real axis.
ⓘ
Annotations:
Symbols:
E
p
(
z
)
: generalized exponential integral
,
i
: imaginary unit
and
x
: real variable
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