The Math Forum

Search All of the Math Forum:

Views expressed in these public forums are not endorsed by NCTM or The Math Forum.

Math Forum » Discussions » Math Topics » alt.math.undergrad

Notice: We are no longer accepting new posts, but the forums will continue to be readable.

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

Advanced Search

Back to Topic List Back to Topic List Jump to Tree View Jump to Tree View   Messages: [ Previous | Next ]
Paul Sperry

Posts: 1,392
Registered: 12/6/04
Re: Integrating exp(-x^2)
Posted: Dec 24, 2010 2:13 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

In article <>, Stan Brown
<> wrote:

> 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?
> Thanks!
> 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.

<^-x^2> gives an answer
but not much of a method.

<> gives a
derivation (which I have not read) and an answer.

The two answers do not agree - I think (but am not sure) that Wolfram
is correct.

Paul Sperry
Columbia, SC (USA)

Point your RSS reader here for a feed of the latest messages in this topic.

[Privacy Policy] [Terms of Use]

© The Math Forum at NCTM 1994-2018. All Rights Reserved.