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Re: Problem with Solve and NSolve
*To*: mathgroup at smc.vnet.net
*Subject*: [mg122485] Re: Problem with Solve and NSolve
*From*: Bob Hanlon <hanlonr357 at gmail.com>
*Date*: Sat, 29 Oct 2011 07:15:11 -0400 (EDT)
*Delivered-to*: l-mathgroup@mail-archive0.wolfram.com
*References*: <201110280935.FAA20759@smc.vnet.net>
Plot[x^3*Sin[x] - 1, {x, -10, 10}, PlotRange -> {-5, 5}]
FindRoot[x^3*Sin[x] == 1, {x, #}] & /@ {-9, -6, -3, -1, 1, 3, 6, 9}
{{x -> -9.42358}, {x -> -6.28721}, {x -> -3.10829}, {x -> -1.04879}, \
{x -> 1.04879}, {x -> 3.10829}, {x -> 6.28721}, {x -> 9.42358}}
Bob Hanlon
On Fri, Oct 28, 2011 at 5:35 AM, V. Williams <gvicente at gmail.com> wrote:
> 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?
>
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