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Re: Problem with Solve and NSolve

  • To: mathgroup at smc.vnet.net
  • Subject: [mg122441] Re: Problem with Solve and NSolve
  • From: Alois Steindl <Alois.Steindl at tuwien.ac.at>
  • Date: Sat, 29 Oct 2011 07:07:13 -0400 (EDT)
  • Delivered-to: l-mathgroup@mail-archive0.wolfram.com
  • References: <j8dtbu$keu$1@smc.vnet.net>

"V. Williams" <gvicente at gmail.com> writes:

> I've recently tried Mathematica 8.0.1, and I've found that it's unable to compute Solve[x^3*Sin[x]==1,x] (and the same with NSolve), which gives an error: 
> Solve::nsmet: This system cannot be solved with the methods available to Solve
>
> WolframAlpha solves it without problems, so what's wrong with Mathematica?
Hello,
Solve tries to give an analytical solution, whereas Wolfram Alpha
returns numerical approximations.
I am wondering why NSolve doesn't work, but you could try FindRoot.

Alois



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