DiracDelta



I think it may also derive from the Gaussian being infinitely 
differentiable.  It is almost useless for integration without a CAS or 
anything other than polynomials.

Rich


-----Original Message----- 
From: Barton Willis
Sent: Monday, April 15, 2013 7:09 PM
To: Rupert Swarbrick ; maxima at math.utexas.edu
Subject: Re: [Maxima] DiracDelta

> Something with an exp(-x^2) in it just seems perversely hard to integrate!

The popularity of the gaussian in this context almost surely derives from 
the heat kernel.

--bw



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