Calculation algorithm of rational estimations of recurrence periodical fourth order fraction

  • R.A. Zatorsky Vasyl Stefanyk Precarpathian National University, 57 Shevchenka str., 76018, Ivano-Frankivsk, Ukraine
  • A.V. Semenchuk Vasyl Stefanyk Precarpathian National University, 57 Shevchenka str., 76018, Ivano-Frankivsk, Ukraine
DOI: https://doi.org/10.15330/cmp.6.1.32-43
Keywords: periodical recurrence fraction, triangular matrix, parapermanent, paradeterminant, rational approximation
Published online: 2014-07-19

Abstract


Recurrence fourth order fractions are studied. Connection with algebraic fourth order equations is established. Calculation algorithms of rational contractions of such fractions are built.
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