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From Ted Dunning <ted.dunn...@gmail.com>
Subject Re: Singular vectors of a recommendation Item-Item space
Date Thu, 01 Sep 2011 03:32:43 GMT
The basics of latex notation are

^   for superscript
_   for subscript
{}   for grouping
\sum for summation
\log for logs
\Omega for upper case greek letter omega
\alpha for lower case greek letter beta
\int for integral.

See http://www.codecogs.com/latex/eqneditor.php for a playground where you
can test things.

Try this, for instance,

F(x,y)=0 ~~\mbox{and}~~
\left| \begin{array}{ccc}
  F''_{xx} & F''_{xy} &  F'_x \\
  F''_{yx} & F''_{yy} &  F'_y \\
  F'_x     & F'_y     & 0
  \end{array}\
right| = 0


On Wed, Aug 31, 2011 at 7:24 PM, Dmitriy Lyubimov <dlieu.7@gmail.com> wrote:

> PS
>
> > On Wed, Aug 31, 2011 at 3:57 PM, Lance Norskog <goksron@gmail.com>
> wrote:
> >>
> >> I see a fair amount of stuff here in what I think is MathML, but is
> displays
> >> raw in gmail.
> >>
>
> this is usually tex. I am not familiar with mathml that close but i
> think it is fundamentally different
>

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