Hi, Thanks to an algebrist friend, I've realized that the computations that I want to perform are computations in the Weyl Algebra for which Macaulay2 has support
http://www.math.uiuc.edu/Macaulay2/doc/Macaulay2-1.4/share/doc/Macaulay2/Macaulay2Doc/html/___Weyl_spalgebras.html Many thanks Pablo On Thu, Oct 20, 2011 at 6:02 PM, Pablo De Napoli <pden...@gmail.com> wrote: > Hi, > > I need to perform computations with linear differential operators > whose coefficients are polynomials > in several variables (in Euclean space). > Has Sage some support for this kind of computation? > > Could you suggest me some tool for doing that? > > For instance assume that you have two first order differentian operators > (vector fields in the language of differential geometry) like > > X = x D_x - y D_y > > Y= x D_x - y D_z > > where D_x is the partial derivative with respect to x. I would like to > compute XY > [which is a second order operator], or things like the Lie bracket > [X,Y]=XY-YX) > [which is a first order one] > > many thanks, > > Pablo De NĂ¡poli > -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org