In you initial email, what is n? Some real number between zero and one?
> On 2 May 2018, at 8:37 am, Abroży Nieprzełoży > <abrozynieprzelozy314...@gmail.com> wrote: > > I think Barry mean that you can represent the (x,y) pair as a single > number like (max(X)-min(X))*(Y-min(Y))+X-min(X) or so, but I don't see > how it would be helpful. > > 2018-05-02 0:20 GMT+02:00, Roman Fleysher: >> Dear Barry, >> >> The statement about the square is not obvious to me. The requirements on >> counts in x and y are different. >> >> I also imagine answer could be two or several non-overlapping "rectangles". >> "Rectangles" will not be densely filled with dots, they might have empty >> spots either because the points were never on the list or were eliminated. >> >> Roman >> >> ________________________________________ >> From: sqlite-users [sqlite-users-boun...@mailinglists.sqlite.org] on behalf >> of Barry Smith [smith.bar...@gmail.com] >> Sent: Tuesday, May 01, 2018 6:12 PM >> To: SQLite mailing list >> Subject: Re: [sqlite] probably recursive? >> >> Well those constraints simplify your problem. >> >> In the resultant dataset, the largest X and Y values will be equal, and the >> largest X will have and entry for every coordinate from (X, 1) to (X, X). >> Likewise the largest Y will have an entry for every coordinate from (1, Y) >> to (Y, Y). Basically you'll have two lines from the axes, drawing a square. >> All points outside that square will be culled, all points on and inside the >> square will be kept. >> >> Since you know that, you now have a one dimensional problem to solve. It >> still seems a little recursive to me, but it should be easier because you >> only need to find a single number (which you can then plug into a delete >> statement). >> >> If my statement about the square is not obvious to prove in your head I can >> try write a proof for that but I'm not much good at proofs. >> >>> On 2 May 2018, at 7:27 am, Roman Fleysher >>> wrote: >>> >>> Pairs (x,y) do not repeat. >>> >>> Actual x and y are positive integers, but I do not see how being positive >>> can be relevant. Integer is important for sorting/comparison. >>> >>> >>> Roman >>> >>> ________________________________________ >>> From: sqlite-users [sqlite-users-boun...@mailinglists.sqlite.org] on >>> behalf of Barry Smith [smith.bar...@gmail.com] >>> Sent: Tuesday, May 01, 2018 5:23 PM >>> To: SQLite mailing list >>> Subject: Re: [sqlite] probably recursive? >>> >>> Is there a uniqueness constraint on your initial data? Can the same >>> coordinate be listed multiple times? >>> >>> Is there a requirement that X > 0 and Y > 0? >>> >>>>> On 2 May 2018, at 3:35 am, Simon Slavin wrote: >>>>> >>>>> On 1 May 2018, at 6:28pm, Simon Slavin wrote: >>>>> >>>>> I just realised that >>>> >>>> That was intended to be personal email. Apologies, everyone. >>>> >>>> Simon. >>>> _______________________________________________ >>>> sqlite-users mailing list >>>> sqlite-users@mailinglists.sqlite.org >>>> http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users >>> _______________________________________________ >>> sqlite-users mailing list >>> sqlite-users@mailinglists.sqlite.org >>> http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users >>> _______________________________________________ >>> sqlite-users mailing list >>> sqlite-users@mailinglists.sqlite.org >>> http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users >> _______________________________________________ >> sqlite-users mailing list >> sqlite-users@mailinglists.sqlite.org >> http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users >> _______________________________________________ >> sqlite-users mailing list >> sqlite-users@mailinglists.sqlite.org >> http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users >> > _______________________________________________ > sqlite-users mailing list > sqlite-users@mailinglists.sqlite.org > http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users _______________________________________________ sqlite-users mailing list sqlite-users@mailinglists.sqlite.org http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users
