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MODIFIED MULTIPLICATIVE UPDATE ALGORITHMS FOR COMPUTING THE NEAREST CORRELATION MATRIX

  • Yin, Jun-Feng (Department of Mathematics, Tongji University) ;
  • Huang, Yumei (School of Mathematics and Statistics, Lanzhou University)
  • Received : 2011.04.18
  • Accepted : 2011.07.16
  • Published : 2012.01.30

Abstract

A modified multiplicative update algorithms is presented for computing the nearest correlation matrix. The convergence property is analyzed in details and a sufficient condition is given to guarantee that the proposed approach will not breakdown. A number of numerical experiments show that the modified multiplicative updating algorithm is efficient, and comparable with the existing algorithms.

Keywords

References

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