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Neven Sajko on Wed, 28 Jul 2021 18:56:29 +0200
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Re: Is it possible to do interval arithmetic, simulate passing intervals as function arguments, like in Giac?
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- To: pari-users@pari.math.u-bordeaux.fr
- Subject: Re: Is it possible to do interval arithmetic, simulate passing intervals as function arguments, like in Giac?
- From: Neven Sajko <nsajko@gmail.com>
- Date: Wed, 28 Jul 2021 16:56:16 +0000
- Delivery-date: Wed, 28 Jul 2021 18:56:29 +0200
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- In-reply-to: <20210728142450.GC12654@yellowpig>
- References: <CAL+bK4M4v_zssx5TMK2qOJ-3Z6f0ocDBmMs0GtM-XE4CmdHEiQ@mail.gmail.com> <20210728142450.GC12654@yellowpig>
On Wed, 28 Jul 2021 at 16:52, Bill Allombert
<Bill.Allombert@math.u-bordeaux.fr> wrote:
>
> On Wed, Jul 28, 2021 at 01:43:24PM +0000, Neven Sajko wrote:
> > Hello,
> >
> > In Giac if I do this, the result is pretty much the same as in Pari:
> > sin(i[0.01, 0.02])
> > But, consider this Giac command:
> > sin(i[0.01, 2 * Pi + 0.02])
> > The result is the entire interval [-1 .. +1].
> >
> > Is there a way to do something like this (for any analytic function,
> > not just sin)?
>
> No, sorry. PARI does not support interval arithméric.
> Your best bet is mpfi.
OK, thanks!
Neven