Least-squares approximation

  • Authors:

  • Charles L. Lawson;Richard J. Hanson

  • Affiliations:

  • -;-

  • Venue:
  • Encyclopedia of Computer Science
  • Year:
  • 2003

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Abstract

Least-squares approximation refers to a wide variety of mathematical optimization problems in which the objective is to make a residual vector small in the sense of minimizing the integral of the squared residual function.