The layout produced by your code is correct, but there is too much space between the columns if the labels consist of one character, for instance \vec{u} is written above the first column.
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Question
Labeling matrix columns in LaTeX
I display a matrix in LaTeX with the following code:
\left(
\begin{array}{ccc}
1 & 1 & 1 \\
0 & 1 & 2
\end{array}
\right)
I want to give a name for the columns, e.g. the first one would be u vector.
How can these labels put above the columns without messing up the parentheses around the matrix?
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Answers
>> but there is too much space between the columns
Just for the record - this would fix that :
\begin{array}{@{}r@{}c@{}c
& \vec{u} & \vec{v} & \vec{w} & \\
\left.\begin{array}{c} \\ \\ \\ \end{array}\right(
& \begin{array}{c} a \\ d \\ g \end{array}
& \begin{array}{c} b \\ e \\ h \end{array}
& \begin{array}{c} c \\ f \\ i \end{array}
& \left)\begin{array}{c} \\ \\ \\ \end{array}\right.
\end{array}
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by: Infinity08Posted on 2007-08-01 at 05:22:27ID: 19608031
With my limited knowledge of LaTeX, something like this comes close (but isn't perfect) :
\begin{array}{rcccl}
& u vector & v vector & w vector & \\
\left.\begin{array}{c} \\ \\ \\ \end{array}\right(
& \begin{array}{c} a \\ d \\ g \end{array}
& \begin{array}{c} b \\ e \\ h \end{array}
& \begin{array}{c} c \\ f \\ i \end{array}
& \left)\begin{array}{c} \\ \\ \\ \end{array}\right.
\end{array}
There's probably an easier solution heh