Re: A new proof of the superiority of set oriented approaches: numerical/time serie linear interpolation
From: Bob Badour <bbadour_at_pei.sympatico.ca>
Date: Thu, 03 May 2007 13:40:17 -0300
Message-ID: <463a1041$0$4045$9a566e8b_at_news.aliant.net>
> (for lack of a better word) domain, such as N, Z, Q, or R.)
Date: Thu, 03 May 2007 13:40:17 -0300
Message-ID: <463a1041$0$4045$9a566e8b_at_news.aliant.net>
Gene Wirchenko wrote:
> [snip]
>
>
>>Interpolation has a number of other traps. Suppose one evaluates: >>f(x) = (x-1)/(x-1) at x=0 and x=2. One will reach a vastly wrong >>conclusion if one even tries to interpolate f(1).> function, because 1 is not in the domain. (I am assuming a general
>
> What about if we limit it to functions? Your f is not a
> (for lack of a better word) domain, such as N, Z, Q, or R.)
If 1 were not in the domain, one would have no desire to interpolate to it in the first place. That sounds like ignoring the problem by defining it out of existence. Received on Thu May 03 2007 - 18:40:17 CEST