On Jan 25, 12:59 pm, John Cremona <john.crem...@gmail.com> wrote: > > Let me be more clear. I think that: > > > integrate(a) and diff(a) should be deprecated/not supported > > integrate(b) and diff(b) be deprecated/not supported > > integrate(a+b) and diff(a+b) be deprecated/not supported > > > (each of these should require a explicit variable specified) > > I agree. I think it would be terrible if diff(x) returned 1 while > diff(a) returned 0 (with both a and x defined as variables), but it > would also be terrible if diff(a) returned 1 (since it's an expression > in just one variable, so you must mean to differentiate with that > variable, right?)
Well, if you tried to do that, then probably, yes. If you wanted a partial derivative, you would have entered the variable of differentiation, I would think. -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org
