So it turns out that

text.latex.preamble : '\usepackage{amsmath},\usepackage{amssymb}'

is not valid, but

text.latex.preamble : \usepackage{amsmath},\usepackage{amssymb}

is valid. Everything works fine now.

Regards,
-- Damon

--------------------------
Damon McDougall
Mathematics Institute
University of Warwick
Coventry
CV4 7AL
d.mcdoug...@warwick.ac.uk



On 2 Aug 2010, at 17:42, Damon McDougall wrote:

> Actually I'm wrong, the error says 'Missing \begin{document}'. Sorry for the 
> spam.
> 
> Regards,
> -- Damon
> 
> --------------------------
> Damon McDougall
> Mathematics Institute
> University of Warwick
> Coventry
> CV4 7AL
> d.mcdoug...@warwick.ac.uk
> 
> 
> 
> On 2 Aug 2010, at 17:41, Damon McDougall wrote:
> 
>> After some playing I have discovered that putting maplotlib.rc('text.latex', 
>> preamble='\usepackage{amsmath},\usepackage{amssymb}') fixes the issue of 
>> text rendering. However, when putting this value in the 
>> ~/.matplotlib/matplotlibrc file, I get the same error saying that \mathbb is 
>> undefined. Any ideas?
>> 
>> Regards,
>> -- Damon
>> 
>> --------------------------
>> Damon McDougall
>> Mathematics Institute
>> University of Warwick
>> Coventry
>> CV4 7AL
>> d.mcdoug...@warwick.ac.uk
>> 
>> 
>> 
>> On 2 Aug 2010, at 16:48, Damon McDougall wrote:
>> 
>>> Hi all,
>>> 
>>> So I'm generating a figure for a paper and I'd like to be able to use 
>>> something akin to ax.set_ylabel('$\mathbb{TEST}$')
>>> 
>>> The weird thing is sometimes I get an error when running the figure 
>>> generation script (attached) and sometimes I don't. I also can't reproduce 
>>> when it does or doesn't give an error. In either case, the text doesn't 
>>> render as blackboard bold text, it's just normal Computer Modern Roman text 
>>> (see attached figure). Also see attached a python script that reproduces 
>>> the figure.
>>> 
>>> <asd.pdf>
>>> 
>>> <script.py>
>>> 
>>> <error.txt>
>>> 
>>> Any help is greatly appreciated. Thank you.
>>> 
>>> Regards,
>>> -- Damon
>>> 
>>> --------------------------
>>> Damon McDougall
>>> Mathematics Institute
>>> University of Warwick
>>> Coventry
>>> CV4 7AL
>>> d.mcdoug...@warwick.ac.uk
>>> 
>>> 
>>> 
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