Dawson function
From Wikipedia, the free encyclopedia
In mathematics, the Dawson function is
The notation D(x) is also in use. The Dawson function is also called the Dawson integral.
The Dawson function is closely related to the error function erf, as
where erfi is the imaginary error function, erfi(x) = − i erf(ix).
For | x | near zero, 
, and for | x | large, 
.
[edit] External links
- Cephes - C and C++ language special functions math library
- Dawson's Integral (at Mathworld)
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