MathGroup Archive 2011

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: solution

  • To: mathgroup at smc.vnet.net
  • Subject: [mg118298] Re: solution
  • From: Sseziwa Mukasa <mukasa at gmail.com>
  • Date: Wed, 20 Apr 2011 04:30:11 -0400 (EDT)

On Apr 19, 2011, at 6:56 AM, amelia Jackson wrote:

> Dear MathGroup,
> 
> I have a problem. I want to find solution:
> r := Table[
> k /. FindRoot[BesselJ[0, k] + k BesselJ[1, k] == 0, {k, n}], {n, 1, 100}]
> 
> but I get about 30 roots. I need about 100 or more.
> I think that "step" "n" tend to Pi
> 
> Please for help...

Looking at the plot there seem to be 31 roots in the interval 1<=k<=100.



  • Prev by Date: Re: Venn diagrams?
  • Next by Date: Re: SortBy + Sort Strings with apo.marks + CharacterCode
  • Previous by thread: solution
  • Next by thread: Re: solution