From: Dave Burt Date: 2006-09-12T06:35:40+09:00 Subject: Re: Matrix William Crawford wrote: > Paul Lutus wrote: >> The point I am making is that the matrix >> can't >> function if it is thought of as nine scalar values rather than a 3x3 >> square >> matrix. > > I think the point they are making is that not everyone uses matrixes for > the same thing. I agree that for most applications, they should be > treated as immutable. But they are saying that they not only think they > should be modifyable, but that they need them to be modifyable to be > useful to them under their circumstances. If you want a matrix-like data structure (rather than a mathematical matrix), why not use an array of arrays? Cheers, Dave