1
vote
0answers
463 views

Why can I compile a tikzpicture perfectly in one chapter but not in another? [closed]

I am having trouble with including a tikz flow chart in my code. In my preamble I have included \usepackage{tikz} \usepackage{pgfplots} \usetikzlibrary{shapes,arrows} and this is the flow chart: ...
2
votes
0answers
423 views

File error in non stop mode [closed]

I am trying to make a feynman diagram using feynmf. My code is \documentclass[a4paper,11pt]{article} \usepackage{xcolor} \usepackage{amsthm} \theoremstyle{definition} \newtheorem{exe}{Exercise} ...
1
vote
1answer
144 views

Error messages with diagonal arrows [closed]

When I copy and paste the corrected code for example in this question, I get the following error message: xymatrix 2x2 ! Missing number, treated as zero. to be read again \/ ...
3
votes
1answer
121 views

Errors when trying to draw a commutative diagram using an xymatrix

Why is the following code not compiling? \[ \xymatrix{ A \ar[rd]^{g \circ f} \ar[r]^f & B \ar[d]^g\\ C} \] I'm trying to get a commutative diagram with 3 objects (A, B and C) ...
2
votes
1answer
972 views

tikz-uml sequence diagram “Extra \or” error

I was compiling the following code which uses the tikz-uml package. \documentclass{article} %\usepackage{pgf} %\usepackage{tikz} \usepackage{tikz-uml} \begin{document} \begin{tikzpicture} ...
3
votes
2answers
350 views

Why does the tableau package raise the error “undefined control sequence” for \newpsstyle?

I'm running ubuntu 11.04, and trying tableau to draw logic diagrams for the first time. \documentclass[english]{article} \usepackage[T1]{fontenc} \usepackage[latin9]{inputenc} \usepackage{ifsym} ...