Summation of series and Gaussian quadratures,II |
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Authors: | Gradimir V Milovanović |
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Institution: | (1) Faculty of Electronic Engineering, Department of Mathematics, University of Ni, P.O. Box 73, 18000 Ni, Serbia, Yugoslavia |
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Abstract: | Continuing previous work, we discuss applications of our summation/integration procedure to some classes of complex slowly convergent series. Especially, we consider the series of the form
, where 0<v1 andR(s) is a rational function. Such cases were recently studied by Gautschi, using the Laplace transform method. Also, we give an appropriate method for calculating values of the Riemann zeta function
, which can be transformed to a weighted integral on (0,+)of the functiont exp (–z/2)log(1-
m
2
t
2))cos(z arctan(
m
t,
m
>=2/((2m+1)),m0, involving the hyperbolic weightw(t)=1/cosh2
t. Numerical results are included to illustrate the method.Dedicated to Luigi Gatteschi on the occasion of his 70th birthday |
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Keywords: | Primary 40A25 Secondary 30E20 65D32 33C45 |
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