On 24-Jun-09, at 9:42 AM, John Cremona wrote:
> > 2009/6/24 Nick Alexander <ncalexan...@gmail.com>: >> >>> +1 for the MMA style. >> >> >> I am +1 for mathematica style, but can someone explain why >> >> In[5]:= D[F[x+2*y], x, x] >> >> Out[5]= F''[x + 2 y] >> >> Why is x somehow considered special and y not? > > F is a function of one variable. F'' is its second derivative. It's > nothing to do with x and y being special. I missed that. Thanks, Nick --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to sage-devel-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---