How to pronounce“nonzeros”in English

nonzeros then n logn is terrible okay but if the original Vector is dense then

nonzeros uh and then what would happen is uh you'd look at this value of that

nonzeros stored in some reasonable data structure right I mean simp let's just make it simple we're not going to do an exotic one how would you calculate the

nonzeros in a very very fast okay if a a is sparse so forward substitution

nonzeros per column just you roughly well I guess that's not rough that's exact um but when you say average um so what that means is something like this

delta nonzeros per column of

because we have exactly s nonzeros per column this thing is equal to S which then cancels that and then this thing cancels