1. 2013-07-10 Re: [R-SIG-Finance] efficient linear programming prob r-sig-fin Alexios Ghalanos 2. 2013-07-10 Re: [R-SIG-Finance] efficient linear programming prob r-sig-fin Brian G. Peterson 3. 2013-07-10 [R-SIG-Finance] efficient linear programming problem! r-sig-fin Daniel Duan