DC models for spherical separation

  • Authors:
  • A. Astorino;A. Fuduli;M. Gaudioso

  • Affiliations:
  • Istituto di Calcolo e Reti ad Alte Prestazioni C.N.R., c/o Dipartimento di Elettronica Informatica e Sistemistica, Università della Calabria, Rende (CS), Italy 87036;Dipartimento di Matematica, Università della Calabria, Rende (CS), Italy 87036;Dipartimento di Elettronica Informatica e Sistemistica, Università della Calabria, Rende (CS), Italy 87036

  • Venue:
  • Journal of Global Optimization
  • Year:
  • 2010

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Abstract

We propose two different approaches for spherical separation of two sets. Both methods are based on minimizing appropriate nonconvex nondifferentiable error functions, which can be both expressed in a DC (Difference of two Convex) form. We tackle the problem by adopting the DC-Algorithm. Some numerical results on classical binary datasets are reported.