Before revision:  Finally, we test the new method for some problems with deficient rank matrices, and compare it with other  popular interior-point methods such as the path-following method (the subroutine pathfollow.m coded by M.~C.
After revision:  Finally, we test the new method for some problems with deficient rank matrices, and compare it with other popular interior-point methods , i.e. the subroutine pathfollow.m coded by M.~C.