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Integral of e^-(constant)x^2

by Kristen
Tags: econstantx2, integral, integrals
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Kristen
#1
Nov16-03, 11:20 PM
P: 2
Need the integral of e^-(constant)x^2.........don't want to use guass integral trick
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Ambitwistor
#2
Nov16-03, 11:25 PM
P: 837
Here is a thread that discusses various ways for evaluating Gaussian integrals,

http://www.nrich.maths.org/askedNRICH/edited/2171.html

but the equations may not come across on your browser.
mathman
#3
Nov17-03, 06:56 PM
Sci Advisor
P: 6,031
The indefinite integral cannot be expressed in simple form. Usually it is given in terms of a function called "erf", which is simply a standard form (constant=1/2) integral.


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