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Topic: Integrating exp(-x^2)
Replies: 7   Last Post: Dec 24, 2010 8:46 AM

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Stan Brown

Posts: 1,326
Registered: 12/6/04
Integrating exp(-x^2)
Posted: Dec 24, 2010 1:47 AM
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This came up at work yesterday, and neither of us could remember how
to do it. I pulled out my copy of Thomas and couldn't find it,
though I did find a statement at the beginning of the "Methods of
Integration" chapter that it would be dealt with later and would
involve infinite series.

Can someone remind me, or point me toward an online reference?

P.S. We actually want the definite integral from x=0 to infinity.

And again, it's not the answer but the method that we're looking for.

Stan Brown, Oak Road Systems, Tompkins County, New York, USA
Shikata ga nai...

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