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Text version of the page
| bessely | ||||||||||||||
| Examples Example 1 format long z = (0:0.2:1)'; | ||||||||||||||
| bessely(1,z) | ||||||||||||||
| ans = -Inf -3.32382498811185 -1.78087204427005 -1.26039134717739 -0.97814417668336 -0.78121282130029 Example 2 bessely(3:9, (0:.2:10)') generates the entire table on page 399 of [1] Abramowitz and Stegun, Handbook of Mathematical Functions. Algorithm The bessely function uses a Fortran MEX-file to call a library developed by D. E Amos [3] [4]. References [1] Abramowitz, M., and I.A. Stegun, Handbook of Mathematical Functions, National Bureau of Standards, Applied Math. Series #55, Dover Publications, 1965, sections 9.1.1, 9.1.89, and 9.12, formulas 9.1.10 and 9.2.5. | ||||||||||||||
| [2] Carrier, Krook, and Pearson, Functions of a Complex Variable: Theory and Technique, Hod Books, 1983, section 5.5. [3] Amos, D.E., "A Subroutine Package for Bessel Functions of a Complex Argument and Nonnegative Order," Sandia National Laboratory Report, SAND85-1018, May, 1985. [4] Amos, D.E., "A Portable Package for Bessel Functions of a Complex Argument and Nonnegative Order," Trans. Math. Software, 1986. | ||||||||||||||
| 2-375 | ||||||||||||||