       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
|

```

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