When I working on l1-minimize problem, I wrote a very simple cg solver here and it can solve for a sparse matrix of A (Ax=B where x and B are dense) (c with cxc

When I working on l1-minimize problem, I wrote a very simple cg solver here and it can solve for a sparse matrix of A (Ax=B where x and B are dense) (c with cxcore from opencv): http://github.com/liuliu/l1qc/tree/master/src/ http://github.com/liuliu/l1qc/tree/master/src/