% Title Economic Operation of a Fixed-Bed Filter via Nonlinear Programming
% Reference: Edgar, Himmelblau and Lasdon in Optimization of
% Chemical Processes, McGraw-Hill International Edition, 2001
% Author of the matlab file: Housam Binous, PhD, Tunis, Tunisia
% Email: email@example.com
% The same problem was solved using Mathematica and GAMS.
% GAMS ans Mathematica files are available from the author upon request.