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...Linear programming notes vii sensitivity analysis introduction when you use a mathematical model to describe reality must make ap proximations the world is more complicated than kinds of optimization problems that we are able solve linearity assumptions usually signicant approximations another important approximation comes because cannot be sure data put into your knowledge relevant technology may imprecise forcing approximate values in b or c moreover information change systematic study how sensitive duh solutions small changes basic idea give answers questions form if objective function does solution resources available constraint added problem oneapproachtothesequestionsistosolvelotsof for example think price primary output will between and per unit can twenty dierent one each whole number this method would work but it inelegant large involve amount computation time fact cheap computing similar standard technique studying practice approach i these takes full advantage structure lp t...