[OS X TeX] Matrices in Equations Help

[Joseph Slater]

a) take out the \[ and \]. I don't know what they're for.

b) no blank lines allowed in the middle of equations

c) Here it is fixed.
\begin{equation}
\left[
\begin{array}{llcl}
(\vec{e_1},\vec{e_1}) & (\vec{e_1},\vec{e_2}) & \cdots & 
(\vec{e_1},\vec{e_n})\\
(\vec{e_2},\vec{e_1}) & (\vec{e_2},\vec{e_2}) & \cdots & 
(\vec{e_2},\vec{e_n})\\
\multicolumn{4}{c}\dotfill\\
(\vec{e_n},\vec{e_1}) & (\vec{e_n},\vec{e_2}) & \cdots & 
(\vec{e_n},\vec{e_n})
\end{array} \right]
\left[
\begin{array}{c}
c_1\\
c_2\\
\vdots \\
c_n
\end{array} \right]
=
\left[
\begin{array}{c}
(\vec{f},\vec{e_1})\\
(\vec{f},\vec{e_2})\\
\vdots \\
(\vec{f},\vec{e_n})
\end{array} \right]
\end{equation}
JS
On Monday, April 1, 2002, at 08:18 PM, Zachary Davis wrote:

> Monday, 1 April 2002
>
>
>
> Hello,
>
> I was hoping that one of you might be able to help me with a 
> misunderstanding about typesetting matrix equations in LaTeX.  I have 
> read through the table and matrices sections of Kopka & Daly's book 
> (Chapters 4 & 5), but I seem to be missing something in which teTeX 
> isn't happy with.  My source looks something like the following:
>
> \begin{equation}
> \[
> \left[
> \begin{array}{llcl}
> (\vec{e_1},\vec{e_1}) & (\vec{e_1},\vec{e_2}) & \cdots & 
> (\vec{e_1},\vec{e_n})\\
> (\vec{e_2},\vec{e_1}) & (\vec{e_2},\vec{e_2}) & \cdots & 
> (\vec{e_2},\vec{e_n})\\
> \multicolumn{4}{c}\dotfill\\
> (\vec{e_n},\vec{e_1}) & (\vec{e_n},\vec{e_2}) & \cdots & 
> (\vec{e_n},\vec{e_n})
> \end{array} \right]
>
> \left[
> \begin{array}{c}
> c_1\\
> c_2\\
> \vdots \\
> c_n
> \end{array} \right]
>
> =
>
>
> \left[
> \begin{array}{c}
> (\vec{f},\vec{e_1})\\
> (\vec{f},\vec{e_2})\\
> \vdots \\
> (\vec{f},\vec{e_n})
> \end{array} \right]
> \]
> \end{equation}
>
> I was hoping this would typeset two matrices being multiplied by each 
> other and which were equal to a third array, and of course have an 
> equation number next to it.  Any help about where I went wrong would be 
> appreciated.
>
> Thanks,
>
> ========================================================
> Zachary S. Davis
> Department of Aerospace Engineering
> University of Texas at Arlington
> P.O. Box 19032
> Arlington, TX 76019
>
> Home:    (817) 272-6418            zsd3711 at gamma2.uta.edu
> Office:     (817) 272-5269
>
>          “Genius, that power that dazzles mortal eyes,
> 	  is oft but perseverance in disguise."
>
> 			--Henry Willard Austin
> ========================================================
>
>
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