Alasdair McAndrew wrote:
>
> Note - the behaviour in Axiom is as it should be, the results returned are
>
> [x= 2.847322102, x= - 1.423661051 - 0.283606001 %i,
> x= - 1.423661051 + 0.283606001 %i]
>
> Clearly there's something a little amiss in the floating point routines of
> FriCAS.
>
> On Thursday, 22 October 2015 15:37:21 UTC+11, Alasdair wrote:
> >
> > If you start a new FriCAS, and then enter:
> >
> > (1) -> digits 10
> > (2) -> complexSolve(x^3-6*x-6=0,1.e-10)
Note that Axiom result is wrong: you requested precision 1e-10
while the first root has error 0.13692736E-9 (30% more than
allowed).
--
Waldek Hebisch
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