Set separation problems and global optim
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James E. Falk; Yelena Dandurova; Lana Yeganova
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Article
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2001
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Elsevier Science
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English
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Given a pair of finite, disjoint sets and in , a fundamental problem with numerous applications is to find a simple function () defined over which separates the sets in the sense that () > 0 for all โ and () < 0 for all โ . This can always be done (e.g., with the piecewise linear function defined by