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From: Rainer M Krug <Rainer@krugs.de>
To: emacs-orgmode@gnu.org
Subject: LaTeX equation align in orgmode?
Date: Mon, 28 Sep 2015 21:10:43 +0200	[thread overview]
Message-ID: <m2oagm4ax8.fsf@krugs.de> (raw)

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Hi

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?

--8<---------------cut here---------------start------------->8---
\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}
--8<---------------cut here---------------end--------------->8---

I have effectrively

--8<---------------cut here---------------start------------->8---
#+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}
--8<---------------cut here---------------end--------------->8---

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?

I could use


--8<---------------cut here---------------start------------->8---
\begin{eqnarray*}
\hat{f}(x) & \propto & \sum_{\nu} \frac{|F(\nu)H(\nu)|^2}{|N(\nu)|^2}  
           \frac{G(\nu)}{H(\nu)} e^{\frac{2 \pi i \nu x}{N}}\\
           & \propto & \sum_{\nu} \frac{|F(\nu)|^2}{|N(\nu)|^2} H(\nu) H^*(\nu) 
           \frac{G(\nu)}{H(\nu)} e^{\frac{2 \pi i \nu x}{N}}\\
           & \propto & \sum_{\nu} H^*(\nu) G(\nu) e^{\frac{2 \pi i \nu x}{N}}
\end{eqnarray*}
--8<---------------cut here---------------end--------------->8---

but eqnarray is apparently bad (see link above).

Thanks,

Rainer

-- 
Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation Biology, UCT), Dipl. Phys. (Germany)

Centre of Excellence for Invasion Biology
Stellenbosch University
South Africa

Tel :       +33 - (0)9 53 10 27 44
Cell:       +33 - (0)6 85 62 59 98
Fax :       +33 - (0)9 58 10 27 44

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email:      Rainer@krugs.de

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             reply	other threads:[~2015-09-28 19:10 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-28 19:10 Rainer M Krug [this message]
2015-09-29  4:06 ` LaTeX equation align in orgmode? Andreas Leha
2015-09-29  7:52   ` BUG?: LaTeX equation align in orgmode? - even in -Q Rainer M Krug
2015-09-29  8:24   ` LaTeX equation align in orgmode? Ken Mankoff
2015-09-29  7:38 ` Eric S Fraga
2015-09-29  8:09   ` SOLVED: " Rainer M Krug
2015-09-29 15:54     ` Andreas Leha
2015-10-08 22:25       ` Enzo Chi
2015-10-09  9:41         ` Eric S Fraga
2015-10-11 21:49           ` Enzo Chi
2015-10-12  7:23             ` Eric S Fraga
2015-10-12  7:34               ` Rasmus
2015-10-14 11:35                 ` Eric S Fraga
2015-10-14 12:58                   ` Rasmus
2015-10-14 14:09                     ` Eric S Fraga
2015-10-14 14:18                       ` Rasmus
2015-10-14 15:24                         ` Eric S Fraga
2015-09-29 13:43   ` Rasmus
2015-09-29 15:49 ` Nicolas Goaziou

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