MathGroup Archive 1996

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Integration


Dear All,

Any idea on how to solve this little brain teaser without having a
series-type solution?

Integrate[Exp[(-a^2 x^2)/2] Erf[k x], {x,y,Infinity}]

where a and k are real, y takes values from -Infinity to +Infinity, but is
generally within +/-3.

Any help would be greatly appreciated, and replies can also be e-mailed
to:  Prof. D. J. Whitehouse, djw at eng.warwick.ac.uk or to my address. 

Best regards,

Dr. Henri M.A. Winand

P.S. If you wish to propagate this to other math-type newsgroups, etc.,
feel free to do so...both the hand-and-paper and Mathematica solutions
will not give us what we want! 

Rolls Royce University Technology Centre in Ni-base Superalloys
University of Cambridge
Materials Science and Metallurgy
Pembroke Street
Cambridge CB3 3QZ
U.K.

Office: +/44/(0)1223 334367
Fax   : +/44/(0)1223 334567


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