# latex

1. ### LaTeX Why is Latex pronounced as "Latec"?

I've always pronounced it as its spell. It seems weird that you pronounce the x as a c/k.
2. ### LaTeX Math Equation Christmas Tree and Graph

I posted this link a couple years ago, but just in case you need to draw a Christmas Tree: https://tex.stackexchange.com/questions/39149/how-can-we-draw-a-christmas-tree-with-decorations-using-tikz There are a lot of interesting variations posted, maybe PF could have our own contest! Here's...
3. ### LaTeX Can I make vertical separation of $$expressions smaller? I wrote my first LaTeX like this: ... it was easy to calculate that$$ ê^1=\hat x - \frac { \hat y } {\tan \alpha} $$and$$ ê^2=\frac { \hat y } {\sin \alpha} $$where ... Is it possible to make the vertical separation smaller? The first example in the latex primer does not seem to suffer... 4. ### Bug LaTeX: newline after closing$$

The support for $\LaTeX$ is great, but there's just one thing I don't like: if I put a newline after the closing \$$I get too much vertical space after the rendered part. For instance:$$(x_1+\ldots+x_p)^n = \sum_{c_1+\ldots+c_p=n} \frac{n!}{c_1!\cdots c_p!}x_1^{c_1}\cdots x_p^{c_p} As you...

The web pages at PF include this script, which won't load, so latex is not rendered: https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.4/MathJax.js When I try to fetch it with curl, I get an error: "Failed to connect to cdnjs.cloudfare.com port 443: Connection refused" Am I the only one? Is...
7. ### LaTeX \vec command

Can anyone help? What is the convention for inserting the vector symbol? I have a draft with -(\vec{2.5})^2 which displays correctly in preview $-(\vec{2.5})^2\\$ why is vec troublesome and underlined in red?? Should I ignore! I realise that I'm not using a variable.
8. ### LaTeX How to type something in $\LaTeX$ in the title itself?

How can I type for example- $CH_2$ in the title box?(marked in red) Thanks!
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### LaTeX Split up a horrible equation

Hi, how do I split up this horrible equation into several lines? given in latex code: \Psi_2=...
10. ### [Math Processing Error]

Anyone recognise this problem? When looking at posts with (presumably) Latex formulae, I get [Math Processing Error] instead of the formula. It looks like everyone else can read them ok and even stranger, I sometimes see the formula for a brief moment before it is replaced by the message...
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### "The theoretical minimum" by L. Susskind and G.Hrabovsky

Hello everybody. My name's Laurent and I'm new in this forum. I wanted to say that the book "The theoretical minimum" by Leonard Susskind and George Hrabovsky is very good for students, amateurs or professionals. For talking about corrections of exercises, can I use Latex in this forum ? If yes...
12. ### LaTeX \newcommand on Physics Forum post

Hello, this is my first question on Physics Forums and is a question on how to ask questions. I have been using LaTex for a while already. I wanted to post a thread about classical field theory. I tried to use \newcommand just to make easier the typing of expressions such as...
13. ### LateX error : ! I can't write on file 'Rapport.pdf'

Hello, I am trying to compile my lateX document but errors appear: ! I can't write on file 'Rapport.pdf'. Please type another file name for output ! Emergency stop l.55 ... obj {<< /pgfprgb (/Pattern /DeviceRGB] >> ! Fatal error occurred, no output pdf file produced! Transcript written on...

15. ### Confused with LaTex

I have no clue how to use it. Can someone tell me in a basic way? Also provide links for downloading? Note, I haven't even downloaded it. I recently downloaded MikeTex but have no idea how to start this all out. I need this for writing a research paper.

Hello, forum looks like it has good help and I'm certainly in need of that :S I'm currently working on some pretty basic physics / mechanics stuff, newtonian stuff (up to lorentz transforms) Re the formatting of this place - I was wondering if an appropriate way to ask a question would be to ...
17. ### LaTeX Align at multiple points

So, I got the following problem: I want to write my equation the way you can see it in the picture: I am actually running this: \ begin{align} \begin{split} ...... \ end{split} \ end{align} My problem is, that I can not set multiple align points. I need one point to attach the first 4 lines...
18. ### Best app for writing LaTeX

hi, do you happen to know any app for iOS that can create pdf-s by writing LaTeX. I know of Texpad and Texwriter but dont know if they can create pdf-s from the code you write. Any help?
19. ### LaTeX Christmas Tree with Latex

I was looking for something else at Stack Exchange and found a how to draw a Christmas tree with Latex thread. I thought the one by Loop Space was the best! http://tex.stackexchange.com/questions/39149/how-can-we-draw-a-christmas-tree-with-decorations-using-tikz
20. ### How do you draw diagrams on PhysicsForums?

Instead of uplading a picture, i want to draw a circuit diagram or some kind of a diagram and upload it to PhysicsForums, is there a way to do that?
21. ### LaTeX What are the macros you guys use to speed up LaTeX-ing?

Hello everyone! I was wondering if you guys could suggest some macro-s that you use in your LaTeX preamble, to speed up typing up your homeworks/reports. I think typesetting any report looks very professional, so I don't want to stop LaTeX-ing them. However, it does take a huge chunk of my day...
22. ### Studying Where to Learn LaTeX for Mathematics?

Hello! I am trying to write my notes in mathematics to permanently store my knowledge, and I am trying to learn LaTeX but it is quite difficult for me....Could you recommend me some sources and books to learn LaTeX for mathematics?
23. ### LaTeX Behind the Math: Peter Krautzberger - Comments

Greg Bernhardt submitted a new PF Insights post Behind the Math: Peter Krautzberger Continue reading the Original PF Insights Post.
24. ### LaTeX Changing the order of references using bibtex to sequential

Hi people, I'm having a very hard time to sort the references sequentially in my latex document. Right now my text is displayed as "blabla... [13] blabla.... blabla.... [6]" , so that I get [13] and [6] instead of [1] and [2]. I use bibtex and here's a simplification of the format I use...
25. ### Latex is now defaulting to non-italic

I've just noticed that, since I last used it (two weeks ago), Latex has started rendering alphabetic characters in formulas as non-italic, which is non-standard, and doesn't look as good. See for example my post in this thread.
26. ### Latex, PF Insights

Dear PF Forum, I use Google Chrome Version 43.0.2357.130 m My browser doesn't display LaTex in PF Insights. But it display latex on PF Forum other area. Forum and conversation but not in PF Insights. Even in chat window my browser display LaTex, but a mentor told me that typing latex in chat...
27. ### Learning LaTeX and Note-Taking

Dear Physics Forum advisers and friends, I am a college junior with major in the mathematics and an aspiring mathematician in the theoretical computer science. Recently, I got very interested in the LaTeX as it seems that it is widely used in the mathematics (research papers, homework, etc.)...
28. ### LaTeX Bibliography in Latex, already part done manually

Problem: After more than half of my thesis I was advised to use Latex. At this moment I'm learning it, so far looks doable. However, there is a problem of bibliography... yes, mostly manually formatted as it is supposed to look like in output file... I'd like to use Bibtex... but wouldn't it...
29. ### LaTeX Mathematical software: Latex, Mathml, MathType, Maple?

Which mathematical software(s) can you recommend for 1. As a substitute for a calculator (TI89): making basic graphs, regressions (linear, exponential), vectors, solving equations, showing graphs in 2d and 3d? 2. Writing an ebook with lot's of math. I'm thinking Mathml or Mathtype might be...
30. ### Gas in a semi permeable membrane - one for the gas experts

I believe I know the answer to this question; I need an expert to verify it for me. I work for a company that makes latex balloons. The people that have been here for a long time insist that if one is putting a small (5" balloon) filled with helium inside a larger (30") balloon then one must...