From mboxrd@z Thu Jan 1 00:00:00 1970 From: Darlan Cavalcante Moreira Subject: Re: Inline LaTeX fragments in emacs buffer Date: Mon, 14 May 2012 14:22:25 -0300 Message-ID: <4fb13f55.07b3340a.14cb.333b@mx.google.com> References: <87mx5ddnl0.fsf@gmail.com> <4faff586.f122340a.54ab.6470@mx.google.com> Mime-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Return-path: Received: from eggs.gnu.org ([208.118.235.92]:56588) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1STyyg-0000zS-23 for emacs-orgmode@gnu.org; Mon, 14 May 2012 13:22:35 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1STyye-0005GD-6W for emacs-orgmode@gnu.org; Mon, 14 May 2012 13:22:33 -0400 Received: from mail-vb0-f41.google.com ([209.85.212.41]:33377) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1STyye-0005Fm-04 for emacs-orgmode@gnu.org; Mon, 14 May 2012 13:22:32 -0400 Received: by vbbey12 with SMTP id ey12so6482035vbb.0 for ; Mon, 14 May 2012 10:22:30 -0700 (PDT) In-Reply-To: List-Id: "General discussions about Org-mode." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org Sender: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org To: Dov Grobgeld Cc: Daimrod , emacs-orgmode@gnu.org I don't think breaking the equation into multiple lines is supported by org. It may work but it is not guaranteed. I write the whole equation as a single line and I don't have any problems, besides the equation being harder to read and modify later. Ps: I have the same use case scenario: writing notes with equations when I watch the classes of the coursera courses. I also write the relevant equation in a comment in the MATLAB/Octave when implementing the programming exercises. -- Darlan At Mon, 14 May 2012 17:52:11 +0300, Dov Grobgeld wrote: > > I got it. Org-mode erroneously interpreted the + sign on the second row as > a list token. Rearranging the latex text so that it does not start with - > or + is a workaround. > > On Mon, May 14, 2012 at 5:47 PM, Dov Grobgeld wrote: > > > Thanks for the help. It makes my coursera ml-class notes easier to read. > > > > One issue I had when I tried exporting to HTML with the dvnpng option the > > following equation: > > > > \[ > > J(\theta) = - \frac{1}{m} \left[\sum_{i=1} ^m y^{(i)} \log > > h_\theta(x^{(i)})+(1-y^{(i)})\log(1-h_\theta(x^{(i)}))\right] > > + \frac{\lambda}{2m}\sum_{j=1} ^n \theta_j ^2 > > \] > > > > in the png output I got the following trailing text:ORG-LIST-END-MARKER . > > Is this a known bug? > > > > Regards, > > Dov > > > > On Sun, May 13, 2012 at 8:55 PM, Darlan Cavalcante Moreira < > > darcamo@gmail.com> wrote: > > > >> > >> org-preview-latex-fragment is really great but what is even better is that > >> it also works outside org-mode! This makes my life a lot easier. > >> > >> I set "C-c P" as a global key-binding for org-preview-latex-fragment and > >> "C-c p" to org-ctrl-c-ctrl-c. Then I can preview equations all equations > >> in > >> ANY buffer with "C-u C-u C-c P". It's great to write equations in comments > >> of some programming buffer (no matter which programming language) and > >> being > >> able to render the equations right there. > >> > >> -- > >> Darlan > >> > >> At Sun, 13 May 2012 00:46:51 +0200, > >> Daimrod wrote: > >> > > >> > Dov Grobgeld writes: > >> > > >> > > Is there any way of getting org-mode to display inline LaTeX fragments > >> > > in the emacs buffer? E.g. I would like to be able to type: > >> > > > >> > > The size of the hypotenuse is $\sqrt{a^2+b^2}$ > >> > > > >> > > and then the buffer immediately shows: > >> > > > >> > > The size of the hypotenuse is √a²+b² > >> > > > >> > > where √a²+b² is a png image rendered via dvipng. > >> > > > >> > > I assume a toggle would switch between either seeing the formula or > >> > > seeing the source of the formula, just like for the display of inline > >> > > images. Also, pressing a backspace when the cursor is at the end of > >> > > the formula should erase the trailing $ sign, and turn off image > >> > > display of the formula, just like for [[links][name]]. > >> > > > >> > > Has anything like this been implemented? > >> > > > >> > > Thanks! > >> > > Dov > >> > > >> > Yes, you can produce a preview image with C-c C-x C-l. > >> > > >> > See > >> > (info "(org) Previewing LaTeX fragments") > >> > and > >> > (info "(org) Embedded LaTeX") > >> > > >> > > >> > > >> > >> > >