[texhax] help

[Herbert Voss]

maryh.williams at murraystate.edu schrieb:
> I have been looking for a very long time onhow to create a block matrix. I 
> have a 10 by 10 matrix wit entries down the diagonal and above and below te 
> diagonal. The rest are 0's and i wanted to put a big zero in the lower and 
> upper triangles of the matrix. If you can give me any help then I would 
> greatly appreciate it!

http://www.dante.de/CTAN/info/math/voss/mathmode/Mathmode.pdf

p120

Herbert