RE: Approximation of complex solutions

*To*: mathgroup at smc.vnet.net*Subject*: [mg37426] RE: [mg37422] Approximation of complex solutions*From*: "Harvey P. Dale" <h.dale at atlanticphilanthropies.org>*Date*: Mon, 28 Oct 2002 03:40:47 -0500 (EST)*Sender*: owner-wri-mathgroup at wolfram.com

You can generate approximate solutions by using FindRoot instead of Solve, but if you want complex solutions you have to indicate that. For example: FindRoot[Cos[Cos[Cos[Cos[x]]]]==Sin[Sin[Sin[Sin[x]]]],{x,1+i}] Best, Harvey Harvey P. Dale University Professor of Philanthropy and the Law Director, National Center on Philanthropy and the Law New York University School of Law Room 206A 110 West 3rd Street New York, N.Y. 10012-1074 -----Original Message----- From: Anonymous [mailto:not at for.you] To: mathgroup at smc.vnet.net Subject: [mg37426] [mg37422] Approximation of complex solutions I would like to have mathematica attempt to find complex solutions to the equation: cos(cos(cos(cos x))) = sin(sin(sin(sin x))) It always tells me the variables appear to be related in a non-algebraic way. Is there a way to have it approximate these solutions? Thanks