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pro vyhledávání: '"Diego Ruiz-Antolín"'
An algorithm and a MATLAB implementation for computing the Kummer function U(a,b,x) and its derivative is given in this paper. The algorithm is efficient and accurate. Numerical tests show that the MATLAB algorithm allows the computation of the funct
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::98188c95fd757abd8500f1c6f45f2b02
https://ir.cwi.nl/pub/32972
https://ir.cwi.nl/pub/32972
Publikováno v:
Computational and Mathematical Methods 2021, 3, 6, e1198
21th International Conference Computational and Mathematical Methods in Science and Engineering (CMMSE 2021)
UCrea Repositorio Abierto de la Universidad de Cantabria
Universidad de Cantabria (UC)
21th International Conference Computational and Mathematical Methods in Science and Engineering (CMMSE 2021)
UCrea Repositorio Abierto de la Universidad de Cantabria
Universidad de Cantabria (UC)
It is well known that one of the most relevant applications of the reverse Bessel polynomials 𝜃�n(z) is filter design. In particular, the poles of the transfer function of a Bessel filter are basically the zeros of 𝜃�n(z). In this article w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5ed80dd6dd0fdee591fea9bf64a20327
http://hdl.handle.net/10902/23903
http://hdl.handle.net/10902/23903
Publikováno v:
ACM Transactions on Mathematical Software, 43(3)
ACM Transactions on Mathematical Software V. 43 Issue 3, January 2017 Article No. 26
UCrea Repositorio Abierto de la Universidad de Cantabria
Universidad de Cantabria (UC)
ACM Transactions on Mathematical Software V. 43 Issue 3, January 2017 Article No. 26
UCrea Repositorio Abierto de la Universidad de Cantabria
Universidad de Cantabria (UC)
An algorithm for computing the incomplete gamma function γ * ( a , z ) for real values of the parameter a and negative real values of the argument z is presented. The algorithm combines the use of series expansions, Poincaré-type expansions, unifor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bb1dc7f9f91a66e4e600d4b559a0ba13
https://ir.cwi.nl/pub/25336
https://ir.cwi.nl/pub/25336
Autor:
Javier Segura, Diego Ruiz-Antolín
Publikováno v:
Journal of Mathematical Analysis and Applications, Volume 443, Issue 2, 15 November 2016, Pages 1232-1246
UCrea Repositorio Abierto de la Universidad de Cantabria
Universidad de Cantabria (UC)
UCrea Repositorio Abierto de la Universidad de Cantabria
Universidad de Cantabria (UC)
The bounds for the ratios of first and second kind modified Bessel functions of consecutive orders are important quantities appearing in a large number of scientific applications. We obtain new bounds which are accurate in a large region of parameter
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f07c35e44ba9b2f0b7bfa6136b7ebece
http://arxiv.org/abs/1606.02008
http://arxiv.org/abs/1606.02008