Solution of an Overdetermined System of Equations in the L1 Norm [F4] (Algorithm A478) CACM June, 1974 Barrodale, I. Roberts, F. D. K. L1 approximation, L1 norm, overdetermined system of equations, linear programming, simplex method 5.13 5.41 CA740604 JB January 17, 1978 3:25 PM 2642 5 2642 2642 5 2642 2642 5 2642 2759 5 2642 2642 6 2642