# latex

1. ### Small number theory problem

1. Homework Statement This is a problem I had as a margin note in an old notebook that I will recycle. I want write it using LaTeX. Problem is that I also want to write it using "proper" math notation instead of English words. Firstly, I got this: \textrm{Proof that }\nexists x, y \in...
2. ### Latex : Making a Histogram

1. Homework Statement Hi, I need to create a histogram in Latex. I know how to do this, however, I only know how to do it if I have a limited number of points so I want it so that I can get a computer program to generate a list of numbers and save them to a file and then I can import this to...
3. ### LaTeX Concept and subject of latex and its usage and related questions on latex

Hi, I have newly encountered with a subject called LaTeX. I try to learn it. I know it is a document preparation program. Can I install on my PC and start to use it like Matlab? For example where can I use this code? http://en.wikipedia.org/wiki/AMS-LaTeX Thank you.
4. ### LaTeX Recommended LaTex Editors

Hi! What is your recommended LaTex Editor? Thanks everyone! :)
5. ### LaTeX LaTeX in PowerPoint

I have PowerPoint 2011 for Mac. Is there an easy way to add equations, etc. into my slides?
6. ### LaTeX PDF Audio Presentation

Hello all, I have created a PDF presentation using LateX. I want to add my commentary on the slides by recording my explanation using a mic and mark some parts of the slides while I am commenting, at least to be able to point where I want using the cursor. How can I do that? Thanks
7. ### LaTeX How do I make a Complex 'C' in Latex for sets?

Hello all, I was wondering how to make that nice looking Complex 'C' when writing a set in Latex. For example, $$\{k\in C\mid k>0\}$$ looks okay but can be better.
8. ### LaTeX Drawing Software?

Is there a widely used free drawing program that is used in conjunction with LaTeX for math books and physics text? Thanks, Chris
9. ### LaTeX Question about LaTeX

Hi, I'm trying to learn LaTeX and one of the things I'm trying to figure out is what is the difference between \frac and \dfrac? I mean, look: \frac{a}{b} is: $$\frac{a}{b}$$ \dfrac{a}{b} is: $$\dfrac{a}{b}$$ Other then the thickened line, is there really any difference? Thank you...
10. ### LaTeX Graphs in LaTeX

How would one construct a graph, like the Petersen graph, in LaTeX? Is there a good package to use for it? Edit: I should mention that I'm having trouble using instructions (which are not always consistent) that I'm finding on Google.
11. ### LaTeX How to generate a .cls file in latex?

hey pf! i was wondering if any of you knew how to generate a .cls file in latex? in other words, what typeset do i select. for example, some i have now are LaTex, Plain Tex, XeLaTex... i'm using TexShop thanks!! josh
12. ### LaTeX Quick LaTex question (sorry)

Sorry if this is against the rules but found no good place to ask a quick LaTex question: I'm writing a thesis and in chapter 5 I have >10 figures. When I use \label{figureX} on figure 5.13 and then figure \ref{figureX} in a paragraph, it compiles as "figure 5.3" instead of "figure 5.13"...
13. ### LaTeX Images in LaTeX

Hey! I cant get my images to appear in $LaTeX$ :( Could you please help me out? I have read that you can use \includegraphics but when I add it in my code nothing happens. \documentclass[a4paper,11pt]{article} \usepackage[swedish]{babel} \usepackage{graphicx} \begin{document}...
14. ### LaTeX LaTeX editor

Hey there! What editor do you use to write $LaTeX$?
15. ### LaTeX Latex software

Where do I find a software which will render latex like that of this forum? I have downloaded and installed Miketex. So now I need a software to render it.I have tried many,but they produced ugly letters.
16. ### LaTeX [LaTeX] Help with code

What is the capital equivalence of \ell ($\ell$) Also where can I find a list of such commands?
17. ### Mathematica How to get smaller-size eps figures from Wolfram mathematica?

Dear every Mathematino-s in high energy physics I knew several workers in computer and mathematics, but few of them know wolfram mathematica software, so I think it is justified to let my question appear here. I use wolfram-mathematica to make 3D figures and want to use them...
18. ### LaTeX How to bold in latex

hi pf! can someone help me bold in latex. for some reason if i use \textbf{pi} if get $\textbf {pi}$ but if i use \textbf {\pi} i do not get a bold $\pi$ but only an error. i have also tried \bfseries and no luck. please help! thanks!
19. ### LaTeX Latex help needed, about text between 2 images

Latex "help" needed, about text between 2 images I'm having troubles to place a text between 2 images. The code looks like this: \begin{figure}[ht] \begin{minipage}[b]{0.45\linewidth} \centering \includegraphics[width=\textwidth]{vvalue} \caption{value1} \label{test1} \end{minipage}...
20. ### LaTeX Latex help needed, about indentation

Latex "help" needed, about indentation Hello guys, I am writing a document in latex. When I want to end a paragraph I use \\. However when I enter text after the "\\" as to start a new paragraph, there is no indentation. I do not know how to make such indentations automatic. I have found...
21. ### LaTeX Drawing tools

I need to draw some circuits and importing them into latex. Any recommendations for a good tool?
22. ### LaTeX Latex help needed

Latex "help" needed Hello, I would like to label the following as an equation: \begin{eqnarray*} Enormous equation here \end{eqnarray*} I have tried the \label{name of equation} line, but it did not work. I want to do this because in my latex document I have labeled many equations...
23. ### LaTeX Finding a latex editor

I am using ubuntu, and downloaded "Gummi" latex editor to make latex papers. However, even though it is nice and easy to use, I need it to show Greek characters as well. And I'm not talking about the latex symbols like \lambda , but I need to be able to write sentences in Greek but unfortunately...
24. ### LaTeX Inserting a picture into a latex document

I am trying to insert a picture into a document im writing up but when I use pdftexify there seems to be a caption next to the image that I cannot remove. I am using winedt and am very new to Latex so bear that in mind. This is the operation I used: \includegraphics[scale=2]{riemann sphere.jpg}
25. ### LaTeX Latex Code not showing formula

in this post Is there a problem with my code?
26. ### LaTeX Arrays in the New Latex

How do you write these in the new Latex: x^k = Array{r \\ \theta \\ \phi \\ t} g_{ij} = Array{1/(1-2*m/r) & 0 & 0 & 0 \\ 0 & r^2 & 0 & 0\\0 & 0 & r^2*(sin(h))^2 & 0\\0 & 0 & 0 & -(1-2*m/r)} \Gamma^i_{jk} = 1/2*g^{il} * (\frac{d g_{lj}}{d x^k} + \frac{d g_{lk}{d x^j} - \frac{d g_{jk}{d x^l})...
27. ### LaTeX Latex/Lyx: not just retyping from paper, but live problem-solving?

Has anyone tried to use software not just for typing math to produce good-looking documents after solving problems/doing research with paper&pencil, but for actually doing research/problem solving with lots of maths directly in electronic form? Has anyone managed to have the same productivity as...
28. ### LaTeX Latex mathbb with number does not show correctly

I tried the following with amssymb \mathbb{1234567890} and it gave the following result : symbols but not the usual numbers ??
29. ### LaTeX Brace in latex question

hey pf! i have a question on latex, specifically on braces. i have: \left.\begin{aligned} A \\ B \end{aligned} \right\} but i am wanting one number far to the right and centered at the point of the brace so i can reference these two equations as one number. also, the...
30. ### LaTeX LaTeX: selecting font with fontenc package

Running XeTeX from TexLive 2011 on windows, I have been using \usepackage{fourier} To get the Adobe Utopia font. That works fine. For reasons irrelevant to the question, I want to use the fontenc package to select fonts. So I need to do something like \usepackage{fontenc}...