Re: Solving a simple equation

*To*: mathgroup at smc.vnet.net*Subject*: [mg121848] Re: Solving a simple equation*From*: Peter Pein <petsie at dordos.net>*Date*: Wed, 5 Oct 2011 03:59:07 -0400 (EDT)*Delivered-to*: l-mathgroup@mail-archive0.wolfram.com*References*: <j6e675$kds$1@smc.vnet.net>

Am 04.10.2011 07:39, schrieb Daniel Kallfaß: > Hi there, I wonder why the following equation cannot be solved: > > \[Kappa] = 1.4 > \[CapitalTheta] = 10; > NSolve[Tan[\[Theta] degree] == > 2*Cot[\[Beta] degree]*(ma1^2*Sin[\[Beta] degree]^2 - 1)/( > ma1^2*(\[Kappa] + Cos[2 \[Beta] degree]) + 2), \[Beta]] > > It says: NSolve::nsmet: This system cannot be solved with the methods > available to NSolve. > > Is there something I'm missing? My Voyage 200 solves it without any > issues. > > Thanks, > Daniel > Hi Daniel, I saved a notebook [1] in the w³. It uses Reduce and/or FindRoot to get one or more of the solutions. Peter [1] http://dl.dropbox.com/u/3030567/Mathematica/DanielsGleichung.nb