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Topic: Convergent series for Exponential integral
Replies: 2   Last Post: Jul 22, 2008 1:00 PM

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Posts: 37
Registered: 2/15/06
Convergent series for Exponential integral
Posted: Jul 22, 2008 12:29 PM
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I need a little help here.
I have a function,

f = exp (i*k*sqrt(x^2+a^2)) / sqrt(x^2+a^2).

I need to integrate this function with respect to x.
As this is an exponential integral, exact integral is not possible.
what could be the convergent series for this?

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