Graphics, Figures & Tables ⇒ What's wrong with my table?

[Singularity]

What's wrong with my table? The build process just hangs and never gives me an error (so I can't even investigate myself).

Even if I comment all but the first line of the table, I still get a "misplaced alignment tab character" error.

Code: Select all

Code, edit and compile here:

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\documentclass[14pt,fleqn,reqno]{extarticle}
\usepackage{amsfonts,amsmath,amssymb,amsthm}
\usepackage{bm,nicefrac}
\usepackage{array}                  % Provides for a more flexible array and tabular environment
\usepackage{booktabs}               % For fancy stuff in arrays and tables, like the following column definitions
\newcolumntype{L}{>{\begin{math}}l<{\end{math}}}%
\newcolumntype{C}{>{\begin{math}}c<{\end{math}}}%
\newcolumntype{R}{>{\begin{math}}r<{\end{math}}}%
\usepackage{multirow}
                                 
\begin{document}
\begin{tabular}{lLL}}
    Derivative & Newton notation                                              & Liebnitz notation \\
    \hrule
    First      & y^\prime \text{ or } f^\prime(x)                             & \frac{\dif y}{\dif x}     \\
    Second     & y^{\prime\prime} \text{ or } f^{\prime\prime}(x)             & \frac{\dif^2 y}{\dif x^2} \\
    Third      & y^{\prime\prime\prime} \text{ or } f^{\prime\prime\prime}(x) & \frac{\dif^3 y}{\dif x^3} \\
    Fourth     & y^{(4)} \text{ or } f^{(4)}(x)                               & \frac{\dif^4 y}{\dif x^4} \\
    \begin{center}
    \ldots
    \end{center} \\
    $n$th      & y^{(n)} \text{ or } f^{(n)}(x)                               & \frac{\dif^n y}{\dif x^n}
\end{tabular}
\end{document}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Run LaTeX here

I've used this type of table before

[cgnieder]

First problem: you have an extra closing brace here which you need to delete:

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\begin{tabular}{lLL}}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Second problem: you can't use \hrule. Replace it with \hline or (as you're loading booktabs) \midrule.

Third problem (maybe only in this example): \dif is undefined.

Fourth problem: you can't use the {center} environment here. I'd use \multicolumn for a centred cell (and probably \vdots):

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\multicolumn{1}{c}{\vdots}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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I'd also use \text for the headings in the math columns:

Code: Select all

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Derivative & \text{Newton notation} & \text{Liebnitz notation} \\
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Code: Select all

Code, edit and compile here:

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\begin{tabular}{lLL}
  Derivative & \text{Newton notation} & \text{Liebnitz notation} \\
  \midrule
  First      & y^\prime \text{ or } f^\prime(x) & \frac{\dif y}{\dif x}     \\
  Second     & y^{\prime\prime} \text{ or } f^{\prime\prime}(x)
             & \frac{\dif^2 y}{\dif x^2} \\
  Third      & y^{\prime\prime\prime} \text{ or } f^{\prime\prime\prime}(x)
             & \frac{\dif^3 y}{\dif x^3} \\
  Fourth     & y^{(4)} \text{ or } f^{(4)}(x)  & \frac{\dif^4 y}{\dif x^4} \\
        \multicolumn{1}{c}{\vdots} \\
  $n$th      & y^{(n)} \text{ or } f^{(n)}(x)  & \frac{\dif^n y}{\dif x^n}
\end{tabular}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Run LaTeX here

[Singularity]

Whew!
Thanks.