Solutions to Bessel's equation x²y″ + xy′ + (x² − ν²)y = 0. Arise from separation of variables in cylindrical coordinates — wave/heat/Laplace.
Solutions to Bessel's equation x²y″ + xy′ + (x² − ν²)y = 0. Arise from separation of variables in cylindrical coordinates — wave/heat/Laplace.