DLMF
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DLMF Tables
7. Error Functions, Dawson’s and Fresnel Integrals
10. Bessel Functions
8. Incomplete Gamma and Related Functions
Choose a function
generalized exponential integral
E
p
(
x
)
denotes the generalized exponential integral; see
DLMF (8.19.2)
.
Computations are currently restricted to non-negative integer values of
p
, and real
x
, with
0.1
≤
x
≤
10
9
.
Evaluate
E
p
(
x
)
as a
Tabulation
or
Comparison
?
Get function arguments from
form
or
data file
?
Specify the data file
to compare to
for arguments
:
Note:
The lines in the data file must contain values for
p
,
x
and
E
p
(
x
)
in that order, separated by commas or spaces
.
Specify grid for function parameters and arguments:
Choose
p
from list
linearly
starting from
ending with
stepping by
Choose
x
from list
linearly
starting from
ending with
stepping by
Show output to
digits,
the number of digits in file,
using
interval mode
round to nearest (even)
round towards +infinity
round towards -infinity
round away from 0
round towards 0
Return
unformatted
output only