[IPython-dev] Using \( \), \[ \] instead of $...$, $$...$$ fox LaTeX math

Joon Ro joonpyro@gmail....
Sat Jan 14 12:35:57 CST 2012


You are right. Actually, if I change \(  \) to \\(  \\) in a markdown  
cell, it works.

It seems this is caused by markdown parses those things, and regards them  
as its formatting syntax.

It is affecting not only \[  \] stuff but also some other math expressions.
For example, the following does not work:

$$ \underline{x}_{1} x_{2} $$

It works after escaping the first _ with \_:

$$ \underline{x}\_{1} x_{2} $$

I wonder if there is a way to parse math stuff independently from the  
markdown texts.
I found a discussion about this:  
http://doswa.com/2011/07/20/mathjax-in-markdown.html

Thank you,
Joon



On Sat, 14 Jan 2012 11:22:39 -0600, Brian Granger <ellisonbg@gmail.com>  
wrote:

> Hmm, the MathJax config looks to already have this configured:
>
> https://github.com/ipython/ipython/blob/master/IPython/frontend/html/notebook/static/js/notebookmain.js#L18
>
> Can you test if it is working?
>
> Cheers,
>
> Brian
>
> On Fri, Jan 13, 2012 at 6:52 PM, Joon Ro <joonpyro@gmail.com> wrote:
>> I'm sorry, but could you please tell me where I should look for this?
>> I tried to find out but it was not apparent to me where those are  
>> defined in
>> the source.
>>
>> Thank you,
>> Joon
>>
>>
>> On Wed, 11 Jan 2012 11:22:00 -0600, Brian Granger <ellisonbg@gmail.com>
>> wrote:
>>
>>> On Tue, Jan 10, 2012 at 7:51 PM, Joon Ro <joonpyro@gmail.com> wrote:
>>>>
>>>> Thank you for the reply.
>>>>
>>>> Actually I was not talking about making it configurable, just
>>>> additionally
>>>> supporting \(  \) and \[  \] besides $ and $$. As far as I know \(  \)
>>>> and
>>>> \[  \] are as widely used as $ and $$ for latex math. I'm sorry I said
>>>> "instead of" in the title. Should have used "in addition to." :)
>>>>
>>>> When I first started using latex in several years ago, I saw an
>>>> documentation which recommended using \(  \) and \[  \] instead of  
>>>> $...$
>>>> and $$...$$ somewhere (I don't remember where :)), so I have preferred
>>>> them.
>>>>
>>>> In fact, in the Mathjax documentation
>>>> (http://www.mathjax.org/docs/1.1/start.html), actually it says that  
>>>> "Note
>>>> in particular that the $...$ in-line delimiters are not used by  
>>>> default,"
>>>> because $ sign comes up too frequently in non-mathematical settings.
>>>> Mathjax supports both \[...\] and \(...\) by default. I just tried
>>>> matplotlib and I could use \(  \) there too. (It seems matplotlib does
>>>> not
>>>> support neither $$ nor \[  \].)
>>>
>>>
>>> If MathJax can support both styles simultaneously let's do that.  Can
>>> you look into if that is possible and submit a pull request to
>>> implement it?
>>>
>>> Cheers,
>>>
>>> Brian
>>>
>>>> -Joon
>>>>
>>>>
>>>>
>>>> On Tue, 10 Jan 2012 14:17:51 -0600, Brian Granger  
>>>> <ellisonbg@gmail.com>
>>>> wrote:
>>>>
>>>>> There are a number of levels that this choice enters in:
>>>>>
>>>>> * Our display system enforces that latex means $ and $$.  This is
>>>>> important as it provides a uniform interface for all people who want
>>>>> to develop custom latex representations of their objects for display
>>>>> in the notebook.  As time goes on, many third parties will rely on
>>>>> this convention.
>>>>> * The configuration of MathJax and matplotlib in the notebook and
>>>>> qtconsole.  This has to line up with the conventions in the display
>>>>> system, otherwise things won't work properly.
>>>>>
>>>>> I think this is one case where it doesn't make sense for this to be
>>>>> configurable.  Otherwise we can't promise that everyones code will
>>>>> "just work" in IPython.  Is there a reason you can't use $ and $$?
>>>>>
>>>>> Cheers,
>>>>>
>>>>> Brian
>>>>>
>>>>> On Tue, Jan 10, 2012 at 10:21 AM, Joon Ro <joonpyro@gmail.com> wrote:
>>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> I just started using notebook, and it looks awesome. Thank you so  
>>>>>> much
>>>>>> for
>>>>>> your dedicated work. I cannot wait to try using it through a remote
>>>>>> connection!
>>>>>>
>>>>>> Anyway, I was thinking it would be great if it is possible to use \(
>>>>>> \),
>>>>>> \[  \] instead of $...$, $$...$$ in the notebook for the math. Would
>>>>>> this
>>>>>> be easily implementable?
>>>>>>
>>>>>> Thank you,
>>>>>> Joon
>>>>>> _______________________________________________
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>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>>
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>>>
>>
>>
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