On Fri, 28 Sep 2012, Sven Schreiber wrote: > And while I'm at it: I also noticed trimr() which trims rows. Don't know > whether that's new, but why introduce a special function for this > operation, couldn't it always be easily done by indexing, as in > M[ttop+1:rows(M)-tbot] ?
It could. But one point to bear in mind (apart from user-friendliness) is that a built-in shortcut such a trimr() is in principle more efficient than the long-hand version, since it involves less parsing of user input. Whether that's of practical importance, I'm not sure. Allin Cottrell
