- From: Joris van der Hoeven <address@hidden>
- To: <address@hidden>
- Subject: Re: Derivatives in math mode
- Date: Fri, 23 May 2003 10:41:13 +0200 (CEST)
On Thu, 22 May 2003, Norbert Nemec wrote:
>
On Donnerstag, 22. Mai 2003 18:37, Joris van der Hoeven wrote:
>
> You may type "d space y" for "d applied to y". In fact, you rather
>
> *should* type "d tab tab space y". Indeed, the upright "d" stands for
>
> the differentiation operator. This is good practice, since it helps
>
> the reader (and automatized readers) to distinguish between the letter
>
> "d" and the differentiation operator. In a similar vein, you may try
>
> "e tab tab", "i tab tab" and "p tab tab".
>
>
Now, as you mention it: is there a way to produce other single non-italic
>
letters? For Feynman-path-integration, e.g., one uses "D" like the "d"
>
operator in normal integrals, therefore it should be non-italic as well.
No, but I added it for the next version ("D tab tab").
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