From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nicolas Goaziou <mail@nicolasgoaziou.fr>
Subject: Re: LaTeX equation align in orgmode?
Date: Tue, 29 Sep 2015 17:49:38 +0200
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References: <m2oagm4ax8.fsf@krugs.de>
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In-Reply-To: <m2oagm4ax8.fsf@krugs.de> (Rainer M. Krug's message of "Mon, 28
	Sep 2015 21:10:43 +0200")
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To: Rainer M Krug <Rainer@krugs.de>
Cc: emacs-orgmode@gnu.org

Hello,

Rainer M Krug <Rainer@krugs.de> writes:

> I would need in a document several equations which are aligned as in 
> http://tex.stackexchange.com/a/167908/6941
>
> How can I use the following latex formula in orgmode?
>
> \begin{proof} The proof is a follows: 
> \begin{align}
> (x+y)^3&=(x+y)(x+y)^2\\
>        &=(x+y)(x^2+2xy+y^2)\\
>        &=x^3+3x^2y+3xy^3+x^3.\qedhere
> \end{align}
> \end{proof}
>
> I have effectrively
>
> #+LATEX_HEADER: \usepackage{amsmath}
>
> * The equations
>
> \begin{equation}
> \begin{align}
> (x+y)^3&=(x+y)(x+y)^2\\
>        &=(x+y)(x^2+2xy+y^2)\\
>        &=x^3+3x^2y+3xy^3+x^3.\qedhere
> \end{align}
> \end{equation}
>
> but with latex fragment preview (C-c C-x C-l) I only get an empty frame.
>
> How can use this align environment in org?

Make sure to C-c C-c on the keyword.

Regards,

-- 
Nicolas Goaziou