Graphics, Figures & Tables ⇒ vectors in captions

[KMnO4aq]

Hello! I am pretty new to latex, and very new to this board, so please bare with me. I am writing my thesis, and I am having a problem with a specific caption in which there are vectors. Here is my main file:

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Code, edit and compile here:

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\documentclass[12pt]{report}
\usepackage{urcsthesisLK}
\usepackage[super,sort&compress]{natbib}
\usepackage{chapterbib}
\usepackage{setspace}
\usepackage{graphicx}
\usepackage{caption}
\usepackage{wrapfig}
\usepackage{esvect}
\begin{document}
\include{Thesis_opening}
\tableofcontents
\listoftables
\listoffigures
\include{Thesis_chapter1}
\include{Thesis_chapter2}
\include{Thesis_chapter3}
\end{document}
 
 
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Run LaTeX here

As you can see I have several chapters included. The caption issue is in chapter 1.

Code: Select all

Code, edit and compile here:

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\begin{figure}
\begin{center}
\includegraphics[scale=0.45]{SWNTnm.jpg} 
\caption{All SWNTs are defined by the parameters n and m. These parameters are defined as the magnitude of the chiral vector, \vec{C$_h$}, along the vectors \vec{a$_1$} and \vec{a$_2$} where m is the magnitude along \vec{a$_1$} and n is the magnitude along \vec{a$_2$}. \label{fig:SWNTnm} }
\end{center}
\end{figure}
 
 
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Run LaTeX here

The problem I am getting is hard to explain. The caption breaks. I have taken a screen shot.

broken_caption.jpg (171.63 KiB) Viewed 6631 times

Interestingly, in my list of figures, the caption is written correctly, but the caption extends past defined margins.

Please let me know what other information you will need from me. I am sorry if I have not included something obviously important.

Thanks!

[Johannes_B]

Hi, there were some problems concerning math mode. Please be aware that a construct like \vec{a_2} should be typeset in math mode completely. Have a look at the working example below.

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Code, edit and compile here:

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\documentclass[12pt]{report}
\usepackage[demo]{graphicx}
\usepackage{caption}
\begin{document}
\begin{figure}
\centering %better, 
%the environment places some additional white space
\includegraphics[scale=0.45]{SWNTnm.jpg}
\caption{All SWNTs are defined by the parameters 
$n$ and $m$.% if m and n are parameters, 
%they should also be typeset in math mode
These parameters are defined as the magnitude of the chiral vector, $\vec{C_h}$, along the vectors $\vec{a_1}$ and $\vec{a_2}$ where m is the magnitude along $\vec{a_1}$ and n is the magnitude along $\vec{a_2}$. \label{fig:SWNTnm} }
\end{figure}
\[\vec{C_h} \quad \vv{C_h}
\]
\end{document}
 
 
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Run LaTeX here

You can see the output by just clicking on Open in writelatex. Btw: Such a small example is called a minimal working example. That way i can be sure, that you and I are seeing the same and have the same basis to tackle any problems.

Best regards
Johannes

[KMnO4aq]

Thank you very much! It worked like a charm!

In general, is \centering to \begin{center} and \end{center} preferred when working in a figure or equation environment?

[Johannes_B]

Since it does not apply white space it is preferred by most people. Equations are centered by default (in most cases). Do you set the global option fleqn flushing all equations to the left?

[KMnO4aq]

I did not, but I also did not know equations center by default. Told ya I am new to this. Thanks!