# [OS X TeX] Cancelling columns?

Fri Mar 21 04:13:24 EDT 2008

David Derbes wrote:
> I apologize for what is probably a simple thing, but it's defeated me
> for a while now.
>
> I am writing a small note about calculation of determinants using
> minors. I would like to draw explicitly a line through the numbers of  a
> row (which I think I can do with the soul'' package.) But how to  do
> it with a column? If worse comes to worse, I can use LaTeXiT to  export
> the matrix to Illustrator, draw the lines in Illustrator, and  then use
> it as a graphic. But if LaTeX will do the job, I'd prefer that.

You can write something quick and dirty after the first number in your
column, like the following:

\hbox to 0pt{\hskip-1.5ex\raisebox{-2ex}[1ex][0ex]{
\vrule height 4ex width 0.5pt depth 4ex}}