On Wednesday, February 27, 2013 10:26:13 AM UTC-8, John H Palmieri wrote:
>
>
>
> On Wednesday, February 27, 2013 7:24:36 AM UTC-8, Travis Scrimshaw wrote:
>>
>> Hey everyone,
>> While reviewing #14130, there was a multiline array* environment
>> inside of a .. MATH::, and this ended up building just fine as html, but
>> did not compile in pdf form. For example, suppose you have:
>>
>> .. MATH::
>>
>> \begin{align*}
>> f(x) & = x^2 - 2 \\
>> g(x) & = \frac{f(x) - x^3}{x-3}
>> \end{align*}
>>
>> This would build as a html doc, but would fail as a pdf doc. Is this a
>> bug or is there a better way of doing things?
>>
>
> The problem is the "align" environment: it is not meant to be used in math
> mode, but rather as a way to enter math mode instead of \[ \] delimiters
> (or $$ $$ delimiters, etc.). Using the ".. math::" markup tells Sphinx that
> the following code should be typeset in math mode, and then using
> \begin{align} tells it to enter math mode again, and this naturally leads
> to an error when you run pdflatex on it. You can look at the LaTeX source
> code to check (in doc/output/latex/en/...); it will probably have an align
> environment nested inside a gather environment.
>
> Using an environment like "aligned" is better, since aligned is meant to
> be used within math mode.
>
I guess another option is as it's done in vertex_separation.pyx:
.. math::
:nowrap:
\begin{align*}
...
\end{align*}
":nowrap:" tells Sphinx not to include math delimiters, so you're free to
use align*, etc.
--
John
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