[Maxima] Problem with Planck Integral
fateman at cs.berkeley.edu
Sat Nov 20 20:05:06 CST 2010
On 11/20/2010 6:01 PM, James Nesta wrote:
> When I try to have Maxima do the Planck integral in dimensionless form, integrate(x^3/(exp(x)-1),x,0,inf), I get an answer that involves limits of polylog functions plus the correct answer(pi^4/15) prefaced with a negative sign. Maxima couldn't evaluate the limits of the polylog functions, and so I was disappointed.
> An old version of Maple that I have computes the correct symbolic value of this integral quickly and cleanly. I'm not a sophisticated user of Maxima and so I thought that there might be something wrong that I was doing here. Any thoughts would be greatly appreciated and very helpful. Thanks - Jim
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Macsyma 2.4.0 gives %pi^4/15
so some piece of code in Maxima needs fixing.
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