4
votes
2answers
102 views

How to denote adjacent vertices?

Background I'm trying to write a rapport that relies on some rudimentary graph theory and as such I'd like to write a section explaining the basics of it. Trying to do I've run into a bit of a snag ...
5
votes
1answer
294 views

Undefined control sequence on \frac?

I'd like to generate PDF's for some ad hoc screenshots, but I'm getting an undefined control error. I tried \usepackage{amsmath} after the line \usepackage{pgfplots} but that didn't work. I thought ...
2
votes
1answer
140 views

dot2tex and math mode

I have successfully installed dot2texi but I'm facing an issue with the math mode. The sign (_) in math mode works fine however other symbols do not work. For example it ignores the bar over b in the ...
6
votes
1answer
287 views

As my exponentials in TikZ plot a parabolic style function, do I install CVS version, and how?

I'm very new to LaTeX. I have read Is plotting exponential graphs a known source of bugs in TikZ? and implemented the code Jake supplied and this fixed the current problem. Thanks Jake :). On this ...
8
votes
1answer
946 views

How to draw a hypergraph (forest)?

How can I draw a hypergraph structure (a.k.a. forest) like this: (Note: This is not a duplicate of this question, of course, since that drawing is very different.)
28
votes
2answers
3k views

Drawing a hypergraph

What is the proper way to draw a hypergraph? Is there a package to do this, or is there an easy way to draw such diagrams with a common drawing method like tikz? I'm trying to draw something like