Matirx problem

[Jörgen Gladh]

Hello all users,
I have a little problem, I writeing down some matrix, and the first row
and the first column I want to use as a position marker and the rest as
a ordinary matrix with the square brackets []. How can I do this in a
nice way.
Kindest regards Jörgen

[Yannick]

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Hello all users,
I have a little problem, I writeing down some matrix, and the first row
and the first column I want to use as a position marker and the rest as
a ordinary matrix with the square brackets []. How can I do this in a
nice way.
Kindest regards Jörgen
--

You can use the command \begin{bmatrix}
1&2&3\\
4&5\\
6&7&8&9
\end{bmatrix}

The number of "&" per line can be different. You can also nest this
environment, that means, you can do
\begin{matrix}
1& 1\\
1& \begin{bmatrix}
1&1\\
1&1\\
\end{bmatrix}
4&5\\
\end{matrix}

"matrix " gives you no braket, "bmatrix" gives you "[ ]" and "pmatrix
gives you "( )".
I tried this and it worked very well.
Hope you will succeed,

Yannick

[Giangiacomo Bravo]

You can use the bordermatrix command. For instance:

\[
\bordermatrix{%
& C & D \cr
C & b-c & -c \cr
D & b & 0 \cr
}
\]


As default, bordermatrix uses normal parenthesis,
but you can redefine it if you need square
brackets (see Herbert Voss's "Math mode" guide,
section 5, for more details about how to do that).

All the best,
Giangiacomo

PS why don't you post this kind of question in
the www.latex-community.org forum instead of the
TXC one? That's the right place!

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Hash: SHA1
Hello all users,
I have a little problem, I writeing down some matrix, and the first row
and the first column I want to use as a position marker and the rest as
a ordinary matrix with the square brackets []. How can I do this in a
nice way.
Kindest regards Jörgen
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