KnowraBessel functionLinked fromLinked fromThe 10 pages that link to Bessel function, each with the reason it gives.All 10Broader topic 3Related 5Compared with 2Rayleigh criterionRelated: The circular aperture’s diffraction pattern is expressed using a Bessel function.Airy diskRelated: The Airy pattern’s intensity profile is expressed using a first-order Bessel function.Separation of variablesBroader topic: Radial separation in cylindrical coordinates often yields Bessel's equation.Helmholtz equationBroader topic: Radial separation of the Helmholtz equation produces Bessel functions in cylindrical geometry.Sturm–Liouville theoryRelated: Bessel expansions were among the important settings for nineteenth-century eigenfunction theory.Airy functionCompared with: Bessel functions suit radial geometry, while Airy functions describe simple turning-point transitions.Cylindrical coordinate systemRelated: Radial equations in cylindrical-coordinate boundary problems often have Bessel solutions.Friedrich Wilhelm BesselBroader topic: These functions bear Bessel’s name and connect his mathematical work to wave and heat problems.Elementary functionCompared with: Bessel functions generally cannot be represented by elementary functions.Gauss circle problemRelated: Fourier analysis of a disk produces Bessel functions in formulas for the point count.