A rational Krylov method for solving time-periodic differential equations

  • Authors:
  • I. Moret;P. Novati

  • Affiliations:
  • Dipartimento di Matematica e Informatica, Università di Trieste, Via Valerio 12/1, 34127 Trieste, Italy;Dipartimento di Matematica Pura ed Applicata, Università dell'Aquila, Via Vetoio, Coppito, 67010 L'Aquila, Italy

  • Venue:
  • Applied Numerical Mathematics
  • Year:
  • 2008

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Abstract

A rational Arnoldi method, for computing the action of a matrix function, is applied in the construction of a numerical scheme for solving time-periodic linear differential problems arising from the semidiscretization of parabolic problems. Theoretical and computational results illustrate the effectiveness of the approach.