Tagged Questions
2
votes
2answers
63 views
Undefined control sequence \pgfmath@
Why does the following code give me this error message?
Error
ERROR: Undefined control sequence.
--- TeX said ---
\pgfmath@dimen@ ...men@@ #1=0.0pt\relax \pgfmath@
l.28 \draw ...
9
votes
1answer
171 views
Macros and pgfmath within put in picture environment
I am trying to put some TikZ pictures into a Beamer slide to enhance readability. The position of the TikZ pictures on the slide will depend on how much text comes before. Since there will be many ...
4
votes
2answers
183 views
How to build macros for vector-matrix operators?
Can anybody build macros for doing the following vector operations? Or are there already such macros? For example,
1) Example data: \def\a{(5,3,0)}
\def\b{(5,1,6)}
...
5
votes
2answers
235 views
Why does enumitem need the macro to exist already?
I'm using pgf and enumitem to define a hexadecimal enumeration scheme as follows:
\documentclass{article}
\usepackage{pgf,enumitem}
\makeatletter
\newcommand*{\Hex}[1]{%
\expandafter\@Hex\csname ...
