| Journal: | Revista mexicana de física |
| Database: | PERIÓDICA |
| System number: | 000425828 |
| ISSN: | 0035-001X |
| Authors: | Martin, P1 Olivares, Jorge2 Sotomayor, A2 |
| Institutions: | 1Universidad de Antofagasta, Departamento de Física, Antofagasta. Chile 2Universidad de Antofagasta, Departamento de Matemáticas, Antofagasta. Chile |
| Year: | 2017 |
| Season: | Mar-Abr |
| Volumen: | 63 |
| Number: | 2 |
| Country: | México |
| Language: | Inglés |
| Document type: | Artículo |
| Approach: | Analítico, teórico |
| English abstract | Precise analytic approximations have been found for the modified Bessel function I 1 (x) of order one. The approximant is simple and with good accuracy for every positive value of the variable x. The method to obtain the approximant is an improvement of the multipoint quasi-rational approximation technique, MPQA. This is obtained combining rational functions with elementary auxiliary functions as a bridge function between the power series and asymptotic expansion |
| Disciplines: | Física y astronomía |
| Keyword: | Física, Aproximaciones y expansiones, Funciones especiales |
| Keyword: | Physics, Approximations and expansions, Special functions |
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