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Re: A late question Re: P1788.1/M001.01: voting period begins



Baker et al, 

> On Dec 1, 2015, at 7:38 AM, Ralph Baker Kearfott <rbk5287@xxxxxxxxxxxxx> wrote:
> 
> Ned et al,
> 
> Ouch! I fear I have been truant in reading this.
> At the beginning of 4.4.4, Rge(f | \x) is used in defining
> the natural interval extension.  Is this notation defined
> elsewhere in the document,


on the previous page 

> and does this mean the range of f
> over \x? 

Yes. 

>  If so, the term natural interval extension is used
> differently from the way I have seen it used most often.
> (My idea of "natural interval extension" is to simply plug in
> the interval and do the interval arithmetic, thus resulting
> in an overestimation, due to interval dependency, of the range.
> The term I have seen used most often for the range of f is
> the "united extension," as in e.g. Ratschek and Rokne's book.
> 

I am afraid you are right. I tried to be consistent with the full standard, but 
I also had the same question.  Any thoughts by others? 

Regards,
Ned