[Tugindia] How to write block matrices

[Manjusha Joshi]

Hello,,

On 9/27/07, Shefalika Samaddar <shefalika99 at yahoo.com> wrote:
>
> I had a similar but slightly different problem. As I was in a hurry, I
> finally got it solved by Word 2007 (Insert -> Math
>
> Lovy Singhal <lovysinghal at hotmail.com> wrote:
>
> I have to write a matrix in which it has to have divided into blocks. I
> tried using easybmat package but my compiler is giving this error
>
>
>

Use of nested array environment produces  block matrix.

Here is the full code. No external package is used in this example. Hope
this is what you want.

-Manjusha
=============================================
\documentclass[a4paper,10pt]{article}
\begin{document}
$\left[\begin{array}{ccc}
\begin{array}{ccc|}
1&2&3\\
4&5&6\\\hline
\end{array}
& &
\begin{array}{cc}
\alpha&\beta\\
\gamma&\zeta
\end{array}
\\&\ddots&\\
\begin{array}{cc}
0&1
\end{array}
& & x
\end{array}\right]$
\end{document}

============================================

>
>