hi package(gsl) calculates zeroes of regular Bessel functions of integral order. You need function bessel_zero_Jnu() best wishes Robn
On Jan 27, 2005, at 11:55 am, coutand wrote:
I am not yet a R user but I will be soon. I am looking for the R command and syntax to compute the roots of Bessel function i.e. computing the z values that lead to Jnu(z)=0 where J is a Bessel function or order nu. May You help me ? thanks in advance. Dr Catherine COUTAND Institut National de la Recherche Agronomique (INRA) umr Physiologie Int?grative de l'Arbre Fruitier et Forestier (PIAF) 234 av. du Br?zet 63039 Clermont-Ferrand cedex 02 France tel : 00-33-(0)4-73-62-46-73 fax : 00-33-(0)4-73-62-44-54 email : coutand at clermont.inra.fr http://www.clermont.inra.fr/piaf
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