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. John > > 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 -~----------~----~----~----~------~----~------~--~---
