Path: utzoo!utgpu!news-server.csri.toronto.edu!rutgers!gatech!mailer.cc.fsu.edu!uflorida!yu
From: yu@blue14 (Jenwei Yu)
Newsgroups: comp.text.tex
Subject: Re: How do you make a LEFT-SIDED superscript??
Keywords: LaTeX, Math-Mode
Message-ID: <29437@uflorida.cis.ufl.EDU>
Date: 28 Jun 91 16:50:31 GMT
References: <4598@polari.UUCP>
Sender: news@uflorida.cis.ufl.EDU
Distribution: usa
Organization: Quantum Theory Project, Univ. of Florida
Lines: 35

In article <4598@polari.UUCP> ian@polari.UUCP (ian searle) writes:
>
>Help! does anybody out there know how to put a superscript on the
>LEFT side of an expression, such as:
>
>			A
>			  dv
>			 ----
>			  dt
>
>The reason for this is so that I can write equations with components
>that are in different reference frames. It would be nice to have this
>as a feature similar to v^{A}, but I'll take whatever I can get.
>
>I have looked through the LaTeX book and cannot find any clues.
>
>Thanks, Ian Searle 

Try this:

$$ {\vphantom{{dv}\over{dt}}}^{A}{{dv}\over{dt}} $$

\vphantom will make an invisible box so that ^{A} will be put at the
proper height. Usually if you just want a left superscript on a character,
$^{whatever}$ will do.



Roscoe

-- 
########################################################################
#           Jenwei R. Yu                 Quantum Theory Project        #
#                                        Department of Chemistry       #
#                                        University of Florida         #