integrate(exp(-a*p -b * p^2 - c * p^4),p,-inf,inf) ?
Subject: integrate(exp(-a*p -b * p^2 - c * p^4),p,-inf,inf) ?
From: dlakelan
Date: Fri, 11 Sep 2009 07:34:54 -0700
dlakelan wrote:
...
> However, I can't get maxima to calculate the partition function.
> mathematica online will calculate (for example)
>
> integrate(exp(-a*p^2 -b*p^4),p,-inf,inf);
>
> in terms of bessel functions but maxima will not.
....
> ---- my exact maxima code follows ----
There were some obvious errors in that maxima code, for example the
energy constraints were wrong. If I modify them I get an integral with
respect to p that looks like the one in the subject line.
Is there any trick anyone can think of to help maxima be able to do this
integral?