We consider three easy-to-implement methods for the piecewise linear approximation of functions of twovariables. We experimentally evaluate their approximation quality, and give a detailed description of how the meth...
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We consider three easy-to-implement methods for the piecewise linear approximation of functions of twovariables. We experimentally evaluate their approximation quality, and give a detailed description of how the methods can be embedded in a MILP model. The advantages and drawbacks of the three methods are discussed on numerical examples. (C) 2009 Elsevier B.V. All rights reserved.
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