Temporary Move

While commenting issues are being resolved at our old premises, we have moved here.

To add comment in latex, write

dollar sign latex your stuff dollar sign.

So dollar sign latex e^{-\frac{(x – \mu)^2}{2 \sigma^2}} dollar sign yields

$e^{-\frac{(x - \mu)^2}{2 \sigma^2}}$ .

This entry was posted on March 18, 2010 at 10:10 am and is filed under Uncategorized. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

38 Responses to “Temporary Move”

dcorfield Says:
March 18, 2010 at 10:21 am | Reply
Let’s see if latex works.

$\sum_{i = 0}^{\infty} i^i$
Artem Says:
March 18, 2010 at 3:24 pm | Reply
Ouph… Where is RSS feed? Will you set it up?
- simonwillerton Says:
  March 18, 2010 at 3:40 pm | Reply
  Well for me it’s right at the bottom of the page…
  
  Entries (RSS) and Comments (RSS).
  - Artem Says:
    March 18, 2010 at 8:19 pm | Reply
    Thnks a lot!
math_reader Says:
March 18, 2010 at 3:57 pm | Reply
Hope the original location goes back to normal soon… If you wish to make over here look a bit more over there, you might want to add the same familiar header image (and remove the text title), see this http://en.support.wordpress.com/themes/custom-header-image/
ursschreiber Says:
March 18, 2010 at 10:28 pm | Reply
$a = b$
tomleinster Says:
March 19, 2010 at 12:43 am | Reply
Testing: $e^{\pi i} \dashv \prod_{i = 1}^n \to X$
Tom Leinster Says:
March 19, 2010 at 12:54 am | Reply
Testing displayed formulas:
$$
latex \lim_\to \sum_{i = 1} n
$$
johncarlosbaez Says:
March 19, 2010 at 12:55 am | Reply
Bummer, eh? Let me try:

$ $e^{e + e} = e^e e^e$ $
Tom Leinster Says:
March 19, 2010 at 12:55 am | Reply
OK, that doesn’t work. Can we do displayed formulas?

Let’s try another way. I don’t think this will work either.
\[
latex x = y
\]
johncarlosbaez Says:
March 19, 2010 at 12:56 am | Reply
Okay, Tom: I put the “latex” right after the dollar sign, but it didn’t understand the double dollar sign so there are some extra dollars hanging on to the ends there…

\[ e^3 = e e e \]
johncarlosbaez Says:
March 19, 2010 at 12:57 am | Reply
\[ latex e^3 = e e e \]
Tom Leinster Says:
March 19, 2010 at 12:57 am | Reply
Other mathematical bloggers (Tao, Gowers, Secret Blogging) must have figured out this basic stuff long ago.
- Chris Schommer-Pries Says:
  March 19, 2010 at 3:01 am | Reply
  These are common questions that people have when they come across a wordpress math blog. At the SBS we have page devoted to it which y’all might find useful:
  
  http://sbseminar.wordpress.com/including-equations-in-comments/
  - johncarlosbaez Says:
    March 19, 2010 at 7:12 am | Reply
    However, that page doesn’t seem to say how to get “displayed” equations – equations that show up in the middle of the page, instead of sitting at the left margin.
    
    Or maybe I missed it?
    - math_reader Says:
      March 19, 2010 at 1:36 pm | Reply
      John, it would have to be done manually. To avoid hassle and save time I’d like to mention Luca Trevisan’s great program which converts LaTeX files to wordpress format (it’s used by Terry Tao for instance)
      http://lucatrevisan.wordpress.com/latex-to-wordpress/
  - Tom Leinster Says:
    March 19, 2010 at 2:07 pm | Reply
    Thanks, Chris. That’s useful. Among other things, it says how to get things into display style.
johncarlosbaez Says:
March 19, 2010 at 12:58 am | Reply
Bummer!

Did someone install any of these various things for latex in WordPress yet?

Like David?

http://wordpress.org/extend/plugins/tags/equations
Tom Leinster Says:
March 19, 2010 at 1:00 am | Reply
Well, what if we just put a formula in a paragraph by itself? Does it default to display style?

E.g. here’s a sum inside text: $\sum_1^n x_i$ . Here it is in a paragraph by itself:

$\sum_1^n x_i$

Any difference?
Tom Leinster Says:
March 19, 2010 at 1:01 am | Reply
There’s a basic FAQ on Latex in WordPress here:

http://en.support.wordpress.com/latex/
Urs Schreiber Says:
March 19, 2010 at 7:28 am | Reply
On this page here is a description for how to get indented inline math in WordPress LaTeX. Seems one needs to install another plugin for that, called Ultimate $\LaTeX$ . The link is given there.
- math_reader Says:
  March 19, 2010 at 1:29 pm | Reply
  Urs, there’s a difference between a ready-made blog at wordpress.com (such as your new one), and a blog using the software developped by wordpress.org The plugin you mention is for folks who use the software on their own server.
Tom Leinster Says:
March 19, 2010 at 2:21 pm | Reply
OK, let’s try a displayed equation, in display style, using the code at the [page](http://sbseminar.wordpress.com/including-equations-in-comments/) Chris Schommer-Pries linked to:

$latex\ \ \ \sum_{i = 1}^n \frac{1}{n^2}
=
\lim_{\varepsilon\to 0} \left( \frac{\pi^2}{6} + \varepsilon \right)$

How’s that?
Tom Leinster Says:
March 19, 2010 at 2:22 pm | Reply
Disastrous! The link failed too. Let’s try again:

$latex\ \ \ \sum_{i = 1}^n \frac{1}{n^2} = \lim_{\varepsilon\to 0} \left( \frac{\pi^2}{6} + \varepsilon \right)$

Any better?
Tom Leinster Says:
March 19, 2010 at 2:23 pm | Reply
OK, here’s something simpler:

$latex\displaystyle{\sum_1^n x^2}$

OK?
Tom Leinster Says:
March 19, 2010 at 2:25 pm | Reply
Now I’m baffled. $x$ . $latex\displaystyle x$. $latex\displaystyle{x}$. $latex\sum_1^n i^2$. $latex\displaystyle{\sum_1^n i^2}$.
Tom Leinster Says:
March 19, 2010 at 2:27 pm | Reply
One more, and I’ll stop clogging up the comments thread. (But I’ll leave these experimental comments up in case anyone can see what’s wrong.)

$latex\sum_{i=1}^{n} i^2$.

$latex\displaystyle{\sum_{i=1}^{n} i^2}$.
ursschreiber Says:
March 19, 2010 at 2:27 pm | Reply
you need a space after the “latex”.

But as John noticed above, this “displaystyle”-command will not center the formula
Chris Schommer-Pries Says:
March 19, 2010 at 2:28 pm | Reply
Let me try…

$\displaystyle{ \sum_{n=1}^{\infty} 1/n = \infty}$
- Chris Schommer-Pries Says:
  March 19, 2010 at 2:31 pm | Reply
  That was with the “displaystyle” command, and no it is not centered.
  
  Okay, one of the moderators should feel free to delete these two comments.
Tom Leinster Says:
March 19, 2010 at 2:30 pm | Reply
Ah, thanks Urs. I usually put more spaces in my Latex than everyone else, but spaces can sometimes cause software to become confused, so I tried without. My mistake.

OK, so I’ll try one more after all.

$\sum_1^n i^2$ .

$\displaystyle{\sum_1^n i^2}$ .

$\displaystyle{\ \ \ \sum_{i = 1}^n \frac{1}{n^2} = \lim_{\varepsilon\to 0} \left( \frac{\pi^2}{6} + \varepsilon \right)}$
David Speyer Says:
March 19, 2010 at 2:36 pm | Reply
My usual solution to the centering problem, which I will admit is painfully verbose, is

$\displaystyle{\sum_{n=1}^{\infty} \frac{1}{n^2} = \frac{\pi^2}{6}}$

That is to say,
< p style=”text-align:center;” > $ latex \displaystyle{\sum_{n=1}^{\infty} \frac{1}{n^2} = \frac{\pi^2}{6}} $ < /p >
David Speyer Says:
March 19, 2010 at 2:37 pm | Reply
But apparently that isn’t working here either.
John Baez Says:
March 19, 2010 at 2:52 pm | Reply
Now my name is John Baez instead of “johncarlosbaez”.

David and Simon: I suggest that you go to “My Account”, then “Edit Profile”, then change your “Display Name Publicly As” to your actual name.
Urs Schreiber Says:
March 19, 2010 at 3:54 pm | Reply
I think it is good that math doesn’t come out perfect here. It should serve to remind you that if you go through the trouble of exposing a nontrivial piece of math discussion, it is a waste to do so just in a blog comment. You should do it on the nLab instead and point people there.
Mike Stay Says:
March 19, 2010 at 8:44 pm | Reply
$\displaystyle \sum_{n=0}^{\infty} z^n = \frac{1}{1-z}$
CK Says:
March 20, 2010 at 10:40 pm | Reply
$x^2+2x+1=\sum_{i=1}^10$
Tom Leinster Says:
March 20, 2010 at 11:26 pm | Reply
CK: you have to put the word “latex”, followed by a space, immediately after the first dollar sign.

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