You can get the relative position vector by "pos_from" method in Point class. Here are the docs http://docs.sympy.org/latest/modules/physics/vector/api/kinematics.html#sympy.physics.vector.point.Point.pos_from
On Monday, September 14, 2015 at 6:22:33 PM UTC+5:30, jj20...@gmail.com wrote: > > I'm using sympy.physics.mechanics. It seems to use physics.vector. > > Sorry I haven't answered in a week. I hadn't set the mail fowarding > settings right. > > JJ > > > Am Montag, 7. September 2015 23:48:20 UTC+2 schrieb Aaron Meurer: >> >> What SymPy submodule are you using? There is more than one that has >> the notion of point of vector. >> >> Aaron Meurer >> >> On Mon, Sep 7, 2015 at 8:04 AM, <jj20...@gmail.com> wrote: >> > Is it possibly to subtract two points in the same reference frame and >> get >> > the relative position vector connecting the two? >> > >> > -- >> > You received this message because you are subscribed to the Google >> Groups >> > "sympy" group. >> > To unsubscribe from this group and stop receiving emails from it, send >> an >> > email to sympy+un...@googlegroups.com. >> > To post to this group, send email to sy...@googlegroups.com. >> > Visit this group at http://groups.google.com/group/sympy. >> > To view this discussion on the web visit >> > >> https://groups.google.com/d/msgid/sympy/cb84cbb2-c293-4c6c-ba3f-f6c3bb62e5ba%40googlegroups.com. >> >> >> > For more options, visit https://groups.google.com/d/optout. >> > -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and stop receiving emails from it, send an email to sympy+unsubscr...@googlegroups.com. To post to this group, send email to sympy@googlegroups.com. Visit this group at http://groups.google.com/group/sympy. To view this discussion on the web visit https://groups.google.com/d/msgid/sympy/af639794-315d-4d0c-9b89-325ea99b8afc%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.