Degenerate roots of three transcendental equations involving spherical Bessel functions

Authors:
Robert L. Pexton and Arno D. Steiger

Journal:
Math. Comp. **33** (1979), 1041-1048

MSC:
Primary 65H10; Secondary 65D20

MathSciNet review:
528056

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Abstract: Roots of the three transcendental equations

Roots of the third equation for , , , together with their minima and associated values of the parameter , are given in the microfiche supplement accompanying this issue. Roots of the first and the second equation and minima of roots of the second equation are published in v. 31 and v. 32 of this journal.

The roots of the first two equations determine the eigenfrequencies of the transverse electric and the transverse magnetic normal modes of an ideal cavity resonator bounded by two concentric spheres ( and ). The roots of the third equation determine the frequencies of the irrotational magnetic eigenfields.

**[1]**Robert L. Pexton and Arno D. Steiger,*Roots of two transcendental equations involving spherical Bessel functions*, Math. Comp.**31**(1977), no. 139, 752–753. MR**0438662**, 10.1090/S0025-5718-1977-0438662-0**[2]**Robert L. Pexton and Arno D. Steiger,*Roots of two transcendental equations as functions of a continuous real parameter*, Math. Comp.**32**(1978), no. 142, 511–518. MR**0488704**, 10.1090/S0025-5718-1978-0488704-2**[3]**Milton Abramowitz and Irene A. Stegun,*Handbook of mathematical functions with formulas, graphs, and mathematical tables*, National Bureau of Standards Applied Mathematics Series, vol. 55, For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C., 1964. MR**0167642**

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Additional Information

DOI:
http://dx.doi.org/10.1090/S0025-5718-1979-0528056-3

Keywords:
Roots of transcendental equations,
spherical Bessel functions,
degenerate roots,
electromagnetic cavity resonators

Article copyright:
© Copyright 1979
American Mathematical Society