Subject: Re: [Boost-users] math tools roots
From: Michael Powell (mwpowellnm_at_[hidden])
Date: 2011-10-10 06:17:42
On Mon, Oct 10, 2011 at 3:01 AM, <Viatcheslav.Sysoltsev_at_[hidden]> wrote:
> On Sun, 09 Oct 2011 19:04:39 +0200, Matwey V. Kornilov <
> matwey.kornilov_at_[hidden]> wrote:
>
> and, actually let a=b=x,
>>
>> lim_{x->0} ((x-x)/min(|x|,|x|)) = lim_{x->0} (0/min(|x|,|x|)) = lim_{x->0}
>> (0) = 0
>>
>>
> I'am not active mathematician, but I believe lim {x->0} (0/x) is 0/0 and
> thus considered undefined, not 0.
I haven't run the numbers either, but 0/0 is indeed undefined or Single.NaN
if you prefer.
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