[Maxima] Problems in integrate
experiencemaik at gmail.com
Wed Apr 14 19:49:15 CDT 2010
Thanks for your kind reply. The expression might be positive since there
are some physical constraints. I'll check that later.
On Thu, Apr 15, 2010 at 1:56 AM, Raymond Toy <toy.raymond at gmail.com> wrote:
> On 4/14/10 11:34 AM, Lin Xie wrote:
> > Hi, Leo
> > Thanks for the reply! Well, the integral is a problem in modelling
> > microdomain structures in crystal and to my knowledge I do not know
> > that the problem can be easily overcomed in such way.
> Why not? Aren't you trying to integrate over R^n?
> The matrix A can be easily determined from your expression. If E is the
> the quadratic, then the matrix A that Leo refers to is
> genmatrix(lambda([i,j], if i = j 1 else
> I have forgotten exactly what the result of the integration would be,
> but the determinant of A in this case is not too complicated:
> factor(ratsimp(determinant(A))) ->
> (It's not clear to me if this expression positive or not.)
> Maxima mailing list
> Maxima at math.utexas.edu
Beijing National Center for Electron Microscopy
Department of Material Science and Engineering
Beijing, PR of China
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the Maxima