Letter to the editor: Lanczos' generalized derivative for higher orders

  • Authors:

  • S. K. Rangarajan;Sudarshan P. Purushothaman

  • Affiliations:

  • Raman Research Institute, Bangalore, 560 080, India;2075 Lavoie Court, Yorktown Heights, NY 10598, USA

  • Venue:
  • Journal of Computational and Applied Mathematics
  • Year:
  • 2005

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Abstract

The method of differentiation by integration due to Lanczos is generalized to cover derivatives of arbitrary order. Umbral versions and further extensions are indicated.