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SEARCH MATHEMATICA 8 DOCUMENTATION
THIS IS DOCUMENTATION FOR AN OBSOLETE PRODUCT.
SEE THE
DOCUMENTATION CENTER
FOR THE LATEST INFORMATION.
Mathematica
>
Error and Exponential Integral Functions
>
Built-in
Mathematica
Symbol
Special Functions
Tutorials »
|
ExpIntegralEi
Erf
LogIntegral
SinIntegral
CosIntegral
See Also »
|
Error and Exponential Integral Functions
Special Functions
More About »
ExpIntegralE
ExpIntegralE
[
n
,
z
]
gives the exponential integral function
E
n
(
z
)
.
MORE INFORMATION
Mathematical function, suitable for both symbolic and numerical manipulation.
.
ExpIntegralE
[
n
,
z
]
has a branch cut discontinuity in the complex
z
plane running from
-
to
0
.
For certain special arguments,
ExpIntegralE
automatically evaluates to exact values.
ExpIntegralE
can be evaluated to arbitrary numerical precision.
ExpIntegralE
automatically threads over lists.
EXAMPLES
CLOSE ALL
Basic Examples
(3)
Evaluate numerically:
In[1]:=
Out[1]=
In[1]:=
Out[1]=
In[1]:=
Out[1]=
Scope
(2)
Generalizations & Extensions
(3)
Applications
(3)
Properties & Relations
(7)
Possible Issues
(3)
Neat Examples
(1)
SEE ALSO
ExpIntegralEi
Erf
LogIntegral
SinIntegral
CosIntegral
TUTORIALS
Special Functions
RELATED LINKS
MathWorld
The Wolfram Functions Site
MORE ABOUT
Error and Exponential Integral Functions
Special Functions
New in 1
© 2013 Wolfram Research, Inc.
. 
to 0.
EXAMPLES
Basic Examples 
Scope 