On Mon, Aug 29, 2011 at 11:17 AM, Robert Kern <robert.k...@gmail.com> wrote: > On Mon, Aug 29, 2011 at 02:26, smichr <smi...@gmail.com> wrote: >> I posted something to an issue which doesn't automatically ping to >> everyone so am copying the discussion here. >> >> Currently, there is an inconsistency between sympy and numpy since >> Matrix([1,2,3]) gives a column vector while the same argument in numpy >> gives a row vector. >> >> I believe that sympy did the right thing in interpreting this as a >> column vector since the current syntax >> is that the rows of the Matrix should be passed in a list. So the >> elements of [1,2,3] should be interpreted >> as rows and produce a column vector and Matrix([[1,2,3]]) should >> produce a row vector. But numpy will >> not consider changing their syntax: a request to that effect was >> almost instantly tabled. > > Sorry if the speed of that seemed rude. I just happened to be checking > my email when that ticket came in. :-) > > -- > Robert Kern > > "I have come to believe that the whole world is an enigma, a harmless > enigma that is made terrible by our own mad attempt to interpret it as > though it had an underlying truth." > -- Umberto Eco >
I'm not subscribed to the numpy list, so I didn't see that message, but would you recommend that SymPy use the same syntax as numpy? Can you perhaps give some of the reasoning behind numpy's syntax? Aaron Meurer -- You received this message because you are subscribed to the Google Groups "sympy" group. To post to this group, send email to sympy@googlegroups.com. To unsubscribe from this group, send email to sympy+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sympy?hl=en.
