• DocumentCode
    1247409
  • Title

    Comments on "Explicit criterion for the positive definiteness of a general quartic form"

  • Author

    Wang, Fei ; Qi, Liqun

  • Author_Institution
    Dept. of Appl. Math., Hong Kong Polytech. Univ., China
  • Volume
    50
  • Issue
    3
  • fYear
    2005
  • fDate
    3/1/2005 12:00:00 AM
  • Firstpage
    416
  • Lastpage
    418
  • Abstract
    The purpose of this note is to point out that the result in the above paper (W. H. Ku, IEEE Trans. Autom. Control, vol. AC-10, no. 3, pp. 372-373, Jul. 1965) is incomplete, and to give a complete and improved result.
  • Keywords
    polynomials; explicit criterion; general quartic form; positive definiteness; Automatic control; Control systems; Interpolation; Linear matrix inequalities; Monte Carlo methods; Robust control; Robustness; Sampling methods; System identification; Uncertainty; Positive definiteness; quartic polynomial; roots;
  • fLanguage
    English
  • Journal_Title
    Automatic Control, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    0018-9286
  • Type

    jour

  • DOI
    10.1109/TAC.2005.843851
  • Filename
    1406140