I'm using LyX to write some Relational Algebra queries.
I'm using the \bowtie symbol for the join operation but when I try to put a text in subscript directly under the symbol, I get the following error:
...a_{\t{pId}}\t{person}\right)\bowtie\limits
{\t{pId}{1}=\t{pId}_{2}... I'm ignoring this misplaced \limits or
\nolimits command.
Anyone knows how to do what I want? Preferably in LyX, but ERT code snippets will also be appreciated. Thanks!
Edit: \t is a macro for \text.
Better use
\Join
It works fine for me
Your problem is that \bowtie is not math operator such as \int, \sum etc.
Try this in preamble:
\usepackage{amsmath}
\DeclareMathOperator*{\btie}{\bowtie}
and this in document:
\(\btie\limits_{subscript}^{superscript}\)
I hope it's what you're looking for.
From http://en.wikibooks.org/wiki/LaTeX/Advanced_Mathematics#Above_and_below:
In preamble:
\usepackage{amsmath}
In equation:
\underset{your_subscript_here}{\bowtie}
Related
I would like to know how I can add a figure to the caption of a figure. I want to keep the Figure number prefix.
I'm doing the following:
\begin{figure*}[!ht]
\centerline{\includegraphics{results.pdf}}
\caption{Caption, \includegraphics{arrow.pdf} caption.}
\label{fig:01}
\end{figure*}
But latex does not allow \includegraphics in the caption.
Thanks for your help.
Cheers,
ukrania
I just found the solution. It is necessary to use the \protect statement.
Like the following example:
\begin{figure*}[!ht]
\centerline{\includegraphics{results.pdf}}
\caption{Caption, \protect\includegraphics{arrow.pdf} caption.}
\label{fig:01}
\end{figure*}
Hope it helps other people with the same problem.
Cheers,
ukrania
Is there an alternative way to enter multiple arguments to LaTex newcommand constructions? I have defined
\newcommand{\nuc}[2]{\ensuremath{^{\text{#1}}\text{#2}}}
and I would like to call the command through
\nuc{12,C}
and not
\nuc{12}{C}.
I have created other commands with even more arguments and my poor pinky can't handle all the brackets.
Thanks!
Maybe you will like it.
\def\nuc #1,#2.{\ensuremath{^{\text{#1}}\text{#2}}}
Sample of using:
\nuc 12,C.
Note. Use the dot at the end.
I like to praise perltex for defining complicated functions. This isn't complicated, but you can extend it quite impressively.
%myfile.tex
\documentclass{article}
\usepackage{perltex}
\perlnewcommand{\commafrac}[1]{
$input = shift;
#inputs = split(/,/, $input);
return "\\ensuremath{\\frac{$inputs[0]}{$inputs[1]}}";
}
\begin{document}
One half is $\commafrac{1,2}$.
\end{document}
Compile with perltex --latex=pdflatex myfile.tex. I know that \frac wasn't your example, but I find it a visually appealing one.
Use plain TeX \def:
\makeatletter
\newcommand*{\nuc}[1]{\nuc##1\#nil}
\newcommand*{\nuc#}{}
\protected\def\nuc##1,#2\#nil{\ensuremath{^{\text{#1}}\text{#2}}}
\makeatother
As fas as I know \nuc{12}{c} is the only way. If you don't want to put all the "}{"s, let the editor do it. Write \nuc{12,c} first, then replace all commas with "}{"s.
I've hit an annoying problem in LaTeX. I've got a tex file of about 1000 lines. I've already got a few figures, but when I try to add another figure, It barfs with:
! Undefined control sequence.
<argument> ... \sf#size \z# \selectfont \#currbox
l.937 \begin{figure}[t]
If I move the figure to other parts of the file, I can get similar errors on different lines:
! Undefined control sequence.
<argument> ... \sf#size \z# \selectfont \#currbox
l.657 \paragraph
{A Centering Algorithm}
If I comment out the figure, all is ok.
%\begin{figure}[t]
% \caption{Example decision tree, from Reiter and Dale [2000]}
% \label{fig:relation-decision-tree}
% \centering
% \includegraphics[keepaspectratio=true]{./relation-decision-tree.eps}
%\end{figure}
If I keep just the begin and end like:
\begin{figure}%[t]
% \caption{Example decision tree, from Reiter and Dale [2000]}
% \label{fig:relation-decision-tree}
% \centering
% \includegraphics[keepaspectratio=true]{./relation-decision-tree.eps}
\end{figure}
I get:
! Undefined control sequence.
<argument> ... \sf#size \z# \selectfont \#currbox
l.942 \end
{figure}
At first, I thought maybe LaTeX has hit some limit, and I tried playing with the ulimits, but that didn't help. Any ideas?
i've got other figures with graphics already. my preamble looks like:
\documentclass[acmcsur,acmnow]{acmtrans2n}
\usepackage{array}
\usepackage{lastpage}
\usepackage{pict2e}
\usepackage{amsmath}
\usepackage{varioref}
\usepackage{epsfig}
\usepackage{graphics}
\usepackage{qtree}
\usepackage{rotating}
\usepackage{tree-dvips}
\usepackage{mdwlist}
\makecompactlist{quote*}{quote}
\usepackage{verbatim}
\usepackage{ulem}
I found, not that it's a problem with \textsuperscript, but that it's with a ^ def I picked up from http://anthony.liekens.net/index.php/LaTeX/SubscriptAndSuperscriptInTextMode . The fix is to put the use of ^ in {}, as in I've put entire sections where I use lots of ^ and _ in {}. Hurrah!
During the end of my Master Thesis I also had the problem that after some amount of figures, I got an error without any special error message. After I read you thread, I also tried something with the packages included and in the end I was successful by taking out the \usepackage{pxfonts} and \usepackage{txfonts}. Yeah, finally.. I almost went crazy.. ;)
If I Google for "latex undefined control sequence" I get this.
I've successfully included a graphic into LaTeX using something like this:
\usepackage{amsmath,amsthm,graphicx}
...
I just wanted to test adding an image to a \LaTeX file:
\includegraphics[scale=0.60]{basic-info.png}
I typeset an entire dissertation of 200 pages with lots of figures in LaTeX and didn't run into a limit like that. I'd bet on a syntax problem first before I'd assume a size issue.
Your error lies elsewhere. I wouldn't be the least surprised if it turned out to be the document class. Try altering your document for \documentclass{article} and see where you get. If that fixes the problem you can complain to the ACM (ROTFLMAO—I've dealth with ACM).
If that doesn't fix, the problem, slip in a \tracingall somewhat before the offending figure or section, put the results into http://pastebin.com/, and let us know.
Please receive the thanks of a (formerly) utterly-confounded graduate student. Quick clarification for other users:
{The quickest ^{way} to put this solution into practice is to bracket all sections of text involving the character ``\^'' as shown here.}
How do I type a QED symbol - I want a full box and not an empty box like \qed gives you. (I'm not using \begin{proof})
You can use \blacksquare ■:
When creating TeX, Knuth provided the symbol ■ (solid black square), also called by mathematicians tombstone or Halmos symbol (after Paul Halmos, who pioneered its use as an equivalent of Q.E.D.). The tombstone is sometimes open: □ (hollow black square).
\documentclass{scrartcl}
\usepackage{amssymb}
\begin{document}
$\backslash$blacksquare: $\blacksquare$
$\backslash$square: $\square$
\end{document}
You can easily find such symbols with http://write-math.com
When you want to align it to the right, add \hfill.
I use:
\renewcommand{\qed}{\hfill\blacksquare}
\newcommand{\qedwhite}{\hfill \ensuremath{\Box}}
If you \usepackage{amsmath}, the \blacksquare command will typeset a solid black square. The \square command will give you a hollow square.
The ulsy package has a few version of the lightning bolt for contradictions: \blitza, \blitzb, ..., \blitze. Just drop \usepackage{ulsy} into the preamble of your document.
Finally, as others have pointed out, the Comprehensive LaTeX Symbols List is a great resource for finding the perfect symbol for the job.
Add to doc header:
\usepackage{ amssymb }
Then at the desired location add:
$ \blacksquare $
As described here, you can redefine the command \qedsymbol, in your case - to \blacksquare:
\renewcommand{\qedsymbol}{\ensuremath{\blacksquare}}
This works both with \qed command and proof environment.
What about \blacksquare? http://amath.colorado.edu/documentation/LaTeX/Symbols.pdf
\rule{1.2ex}{1.2ex} will give you a filled box.
\fbox{\phantom{\rule{.7ex}{.7ex}}} will give you an empty box. The \phantom command will typeset with invisible ink.
The advantage of this approach is that no package is needed. Also the size is up to your control. Less is more.
Simple answer:
In the preamble make sure you have \usepackage{amssymb}
Then in the preamble we can define this simple command: \newcommand{\qed}{\hfill $\blacksquare$}
Then whenever you want the QED symbol to complete a proof, you type \qed.
If you prefer a hollow square, replace \blacksquare with \square
I think you are looking for this:
\newcommand*{\QEDA}{\hfill\ensuremath{\blacksquare}}
Usage:
\begin{example}
blah blah blah \QEDA
\end{example}
The question specifically mentions a full box and not an empty box and not using proof environment from amsthm package. Hence, an option may be to use the command \QED from the package stix. It reproduces the character U+220E (end of proof, ∎).
I am trying to write programming code in latex using the verbatim environment, but when I write
\begin{verbatim}
char ch = 'x';
\end{verbatim}
then the ' -characters around x are displayed incorrectly (they look "curly"). How can I fix this problem?
Load the upquote package to fix this issue in verbatim mode.
If you want straight quotes in monospaced text mode (e.g., \texttt{...}), or indeed in any other font, then you can use the \textquotesingle command defined in the textcomp package:
\documentclass{article}
\usepackage{upquote,textcomp}
\begin{document}
\newcommand\upquote[1]{\textquotesingle#1\textquotesingle}
\verb|'c'| \texttt{\upquote{h}}
\textsf{\upquote{h}} \upquote{h}
\end{document}
This will work well for fonts in any encoding rather than depending on a specific glyph slot (such as \char13 in the default OT1 encoding).
Adding \usepackage{upquote} to my preamble was sufficient.
Perhaps older versions of LaTeX or upquote required more work.
I have
What is wrong?
New
If you want to get something like this
write
\makeatletter
\let \#sverbatim \#verbatim
\def \#verbatim {\#sverbatim \verbatimplus}
{\catcode`'=13 \gdef \verbatimplus{\catcode`'=13 \chardef '=13 }}
\makeatother
For displaying source code, you might consider using the listings package; it is quite powerful and offers an option to display “straight” quotation marks.
If you're seeing curly single right quotes in a verbatim environment, then the single right quote in your typewriter font is curly, and that's the correct one to use for what you're doing (which I assume is displaying some C code).
\textsf{``} and \textsf{''} come pretty close to straight quotes. No need for using any special packages.
This is what I got from another source, and this works.
Use `` to start the double quotes (this symbol is below ~ symbol on our keyboard)
Use '' to close the double quotes (this symbol is below the " symbol on our keyboard)
So, `` quote double, unquote double''
Same goes for single quotes, `quote single, unquote single'