Bessel Function Zeroes

0  1  2  3   as does its derivative  0 (): 0  0 1   0 2   0 3     0 0 = 0 01   0 02   0 03   0 04    = 0 See Tables 1 & 2 for the cases  = 0 1 2 and Tables 3 & 4 for the cases  = 12 32 52. These appear in many physical applications that we cannot hope to survey in entirety. We will state only a few properties and several important inequalities. A starting point for research is Watson’s monumental treatise [1]. Table 1 Zeroes of  for  = 1 2 3 and integer 