Title :
Comments on “A Rational Discrete Approximation to the Operator s0.5”
Author_Institution :
Indian Inst. of Technol., New Delhi
Abstract :
It is pointed out that the continued fraction expansion on which the approximation in Maione´s paper is based (see ibid., vol.13, no.3, p.141-4, 2006) has been known and used earlier.
Keywords :
approximation theory; mathematical operators; continued fraction expansion; operator s0.5; rational discrete approximation; Approximation algorithms; Polynomials; Signal processing; Signal processing algorithms; Approximation; fractional-order derivative; irrational function;
Journal_Title :
Signal Processing Letters, IEEE
DOI :
10.1109/LSP.2007.891842
