Thank you, but the issue is solved using different command
On Tue, Jul 28, 2020 at 2:27 PM Vincent Delecroix <20100.delecr...@gmail.com>
wrote:
> One solution is to map the expression into
> polynomial expressions with variable 'a' and
> 'r' over the floating point numbers
>
> sage: a,r = SR.var('a,r');
> sage: expr = ((sqrt(2)*a-2*r)/(2+2*sqrt(2)))
> sage: RDF['a,r'](expr)
> 0.2928932188134525*a - 0.4142135623730951*r
>
> (this is not very robust as it would fail for something
> like cos(sqrt(2) + r))
>
> Vincent
>
> Le 28/07/2020 à 11:24, Bert Henry a écrit :
> >
> >
> > Am Dienstag, 28. Juli 2020 11:13:49 UTC+2 schrieb JJS137:
> >>
> >> Have you tried canonicalize_radical() ?
> >> Cheers,
> >> John
> >>
> >>
> > Yes, but it doesn't solve the problem
> >
>
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