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nasty integrals that Mathematica can't do

• To: mathgroup@smc.vnet.net
• Subject: [mg10805] nasty integrals that Mathematica can't do
• From: "Burn Microsoft...Burn!" <psalzman@landau.ucdavis.edu>
• Date: Thu, 5 Feb 1998 00:58:50 -0500

Hi there

In my research, i've come up with the following integral:

    Integrate[ CosIntegral[a x] Cos[b x], {x,0,Infinity} ]

Gradshteyn and Ryzhik have this integral, but apparently, Mathematica
3.0.1 can't do it.

My question: Is there a way to "teach" Mathematica how to do a
particular type of integral?  Can I somehow plug G+R's solution in
Mathematica?

Pete

--
Never criticize a man till you've walked a mile in his shoes.  That way,
you'll be a mile away from him and have his shoes as well.
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