Re: Multiple choice question
- To: mathgroup at smc.vnet.net
- Subject: [mg26983] Re: Multiple choice question
- From: "A. Ciarkowski" <aciark at ippt.gov.pl>
- Date: Tue, 30 Jan 2001 23:22:09 -0500 (EST)
- Sender: owner-wri-mathgroup at wolfram.com
I have just learnt from prof. J. Boersma how to
properly perform analytic continuation of an
integral understood in the sense of its principal
value onto a complex plane with a cut. In view of
his remarks, I must correct myself: the integral
Integrate[ Exp[ I t 2 ]/(t - 1 - I), {t, 0, Infinity}]
equals
Exp[2 I - 2] ( Pi I - ExpIntegralEi[ 2 - 2 I] ),
and hence the first result, Out[12], is correct.
Adam