Sure. Do the subtraction after the B = Q'A step in the random projection!
On Tue, Sep 6, 2011 at 7:16 PM, Dmitriy Lyubimov <[email protected]> wrote: > On Tue, Sep 6, 2011 at 12:11 PM, Ted Dunning <[email protected]> > wrote: > > Note that normally subtracting anything fills in sparse matrices. > > is there a way to cope with this without changing SVD contracts? >
