On Apr 5, 2009, at 12:06 PM, Golam Mortuza Hossain wrote:
> > Hi, > > On Sat, Apr 4, 2009 at 4:06 PM, Robert Bradshaw > <rober...@math.washington.edu> wrote: >> >> On Apr 3, 2009, at 7:16 PM, Nick Alexander wrote: >> >>>> (1) \int dx f(x) >>>> (2) \int f(x) dx >>> >>> I prefer (2). >> >> I've actually never seen (1) used; (2) seems much more natural. The >> "\int dx \int dy f" is strange as the "dx dy" is often best viewed as >> single differential. > > Thanks Nick, Robert! OK, then we settle on (2) for integral. > > The remaining issue is now to settle the conventions for derivative. > Currently, maxima uses "\\partial" symbol even for functions > of single variable. I think it would be better if we follow the > arguments of > http://trac.sagemath.org/sage_trac/ticket/4202 > for derivative of function with single variable. So here are the > situations > > (1) diff( f(x), x) => > -------------------- > (a) Current scheme via Maxima: > {{{\it \partial}}\over{{\it \partial}\,x}}\,f\left(x\right) > > (b) Proposed: > \frac{d f\left(x\right)}{d x} > My recommendation is: \frac{\mathrm{d} f(x)}{\mathrm{d} x} This ensures an upright d. It's what I use for all derivatives based upon "A Guide to LaTeX". Also, I'm not sure you really need to use \left and \right for a single term. I think it's overkill. If you have multiple terms of varying heights, it makes sense, but not for a single letter or number. Cheers, Tim. --- Tim Lahey PhD Candidate, Systems Design Engineering University of Waterloo http://www.linkedin.com/in/timlahey --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
