Introduction - If you have any usage issues, please Google them yourself
subgrad_method_lin_feas.m---linear feasibility problem
subgrad_method_mtx_complete.m -- positive semidefinite matrix completion
subgrad_method_least_l1.m -- least l1-norm minimization
subgrad_method_dual_prob.m -- solving dual problem using proj. subgrad method
subgrad_method_lp.m -- solving LPs using subgrad method for constr. problems