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Re: Help with findroot

  • To: mathgroup at
  • Subject: [mg9171] Re: [mg9169] Help with findroot
  • From: "MITJA LAKNER" <mlakner at>
  • Date: Tue, 21 Oct 1997 02:02:45 -0400
  • Organization: Univ. of Ljubljana, Civ.Eng.Dept.
  • Sender: owner-wri-mathgroup at


New variable
y = Sqrt[x/(1.2 10^-4)]
simplifies equation and taking into
account poles of the Tan function do the job:

eps = 10.^-12;
yy = Table[y/.FindRoot[y == -1/10Tan[y],
                  {y, k Pi-Pi/2+eps, k Pi+Pi/2-eps},  

Have a nice day!


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