LaTeX.org

Again thanks for both of your responses. The result of the bordermatrix script looks good. Is it reasonable to say that that code is something that one would usually save to a file to be inputted in the preamble when needed?

Thanks for the quick responses, I really appreciate it. I've just been learning on my own since I decided this spring to start preparing my notes in Latex. I'm constantly learning.

I will have to look into the bordermatrix environment later this week. That looks great, but I'm not yet familiar with ...

I'm a stats professor, and I often show matrices in which columns represent variables. Sometimes I wish to include the variable names as headers on top of the columns. I have just been putting them as the first row of the matrix, but that's not as clear in terms of the brackets and matrix dimensions ...