Sounds good. Which should be the default (returned from iterator())? non-zero?
On Tue, Jun 23, 2009 at 6:53 PM, Ted Dunning<ted.dunn...@gmail.com> wrote: > I disagree. > > There are two common use cases: iterateAll and iterateNonZero > > One example of where iterateAll is different is where I want to get sum_i > |x_i - z| (as in L_1 clustering). I can't iterate over just non-zero > elements of x_i unless z is zero (which it is not, in general).