Single point in a figure on beamer

Question 1

I'm trying to build a figure on beamer that has a single point on it. I've tried what I'd usually have done in other settings (article, book), but I'm still getting an error. In particular, I get

! Package pgfplots Error: Could not read table file '" x y label\\ 3 12 $x$\\ "' in 'search path=.'. In case you intended to provide inline data: maybe TeX screwed up your end-of-lines? Try `row sep=crcr' and terminate your lines with `\\' (refer to the pgfplotstable manual for details).See the pgfplots package documentation for explanation.

However, as it is apparent from my code, I'm already usingrow sep=crcr

My code is

\documentclass{beamer}\usepackage{tikz}\usepackage{pgfplots}\begin{document}\begin{frame}   \begin{tikzpicture}     \begin{axis}[        axis x line=bottom,        axis y line=left,        axis equal image,        axis on top,        ticks = none,        xmin=0,xmax=20,        ymin=0,ymax=20]        \addplot+[only marks,row sep=crcr,mark=*,black,mark options={fill=black},nodes near coords,nodes near coords align=right,point meta=explicit symbolic          ] table[meta=label]{          x y label\\          3 12 $x$\\        };     \end{axis}   \end{tikzpicture}\end{frame}\end{document}

Question 2

remove the\\, they will cause an error regardless of the class
use a fragile frame

\documentclass{beamer}\usepackage{tikz}\usepackage{pgfplots}\pgfplotsset{compat=newest}\begin{document}\begin{frame}[fragile]   \begin{tikzpicture}     \begin{axis}[        axis x line=bottom,        axis y line=left,        axis equal image,        axis on top,        ticks = none,        xmin=0,xmax=20,        ymin=0,ymax=20]        \addplot+[only marks,row sep=crcr,mark=*,black,mark options={fill=black},nodes near coords,nodes near coords align=right,point meta=explicit symbolic          ] table[meta=label]{          x y label          3 12 $x$        };     \end{axis}   \end{tikzpicture}\end{frame}\end{document}

Question 3

It works for me this way.Note the following:row sep=crcr is placed insidetable[...]. The lines end with\\.

\documentclass{beamer}\usepackage{tikz}\usepackage{pgfplots}\pgfplotsset{compat=1.18}% <============\begin{document}\begin{frame}   \begin{tikzpicture}     \begin{axis}[        axis x line=bottom,        axis y line=left,        axis equal image,        axis on top,        ticks = none,        xmin=0,xmax=20,        ymin=0,ymax=20]        \addplot+[only marks,mark=*,black,mark options={fill=black},nodes near coords,nodes near coords align=right,point meta=explicit symbolic          ] table[row sep=crcr, meta=label] {          x y label\\          3 12 $x$\\        };     \end{axis}   \end{tikzpicture}\end{frame}\end{document}

score 4 · Accepted Answer · 2025-11-28 16:06:39Z

remove the\\, they will cause an error regardless of the class
use a fragile frame

\documentclass{beamer}\usepackage{tikz}\usepackage{pgfplots}\pgfplotsset{compat=newest}\begin{document}\begin{frame}[fragile]   \begin{tikzpicture}     \begin{axis}[        axis x line=bottom,        axis y line=left,        axis equal image,        axis on top,        ticks = none,        xmin=0,xmax=20,        ymin=0,ymax=20]        \addplot+[only marks,row sep=crcr,mark=*,black,mark options={fill=black},nodes near coords,nodes near coords align=right,point meta=explicit symbolic          ] table[meta=label]{          x y label          3 12 $x$        };     \end{axis}   \end{tikzpicture}\end{frame}\end{document}

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Single point in a figure on beamer

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