Re: "Leibnitz" from for partial differentiation?

*To*: mathgroup at smc.vnet.net*Subject*: [mg61216] Re: "Leibnitz" from for partial differentiation?*From*: "Jens-Peer Kuska" <kuska at informatik.uni-leipzig.de>*Date*: Thu, 13 Oct 2005 01:39:27 -0400 (EDT)*Organization*: Uni Leipzig*References*: <dii958$9fk$1@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

Hi, The partial derivative is \!\(\[PartialD]\_x u[x, t]\) in input, but Mathematica will always use Derivative[1,0][u][x,t] for it until you redifine the standard output. The total derivative is always expressed by partial derivatives. Regards Jens "Steven T. Hatton" <hattons at globalsymmetry.com> schrieb im Newsbeitrag news:dii958$9fk$1 at smc.vnet.net... | Much of the literature I'm looking at uses partial derivative notation | expressed by FractionBox["\[PartialD]", RowBox[{"\[PartialD]", "x"}]]. | Likewise for the total derivative. d/dt. IIRC, there is a Mathematica | notational form which displays and perhaps accepts this form of derivative | notaton. ?*Form gave me several hits, but none that I've tried so far seem | to be working. Does anybody know which notational form to use for this? | Is it in a package? | -- | "Philosophy is written in this grand book, The Universe. ... But the book | cannot be understood unless one first learns to comprehend the language... | in which it is written. It is written in the language of mathematics, ...; | without which wanders about in a dark labyrinth." The Lion of Gaul |