I think for consistency's sake, we should make this return a row matrix. Matrix([1,2,3]).T would be the corresponding column matrix.
On Mon, Aug 29, 2011 at 10:47 PM, 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 > > -- > 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. > > -- 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.
