For more than 3, then every missed second should be filled with the last number.
t=: 1 2 7 8 v=: 10 20 90 100 newv: 10 20 [20 20 20 20] 90 10 On Thu, Nov 22, 2012 at 12:34 AM, Raul Miller <[email protected]> wrote: > Yes? > > I was asking what the behavior should be for cases when <: 2 -~/\ t > contained values other than 0, 1, 2 or 3. > > Thanks, > > -- > Raul > > On Tue, Nov 20, 2012 at 4:07 PM, Alexander Epifanov <[email protected]> wrote: >> t,:v >> 1.26 3.78 6.3 10.08 11.34 12.6 13.86 15.12 16.38 17.64 >> 0 20 40 60 80 100 525 321 248 259 >> >> wat >> 4 : 0 >> ctl=. 0,~ _1+(}.-}:) x >> avg=. 0,~ 0.5 * (}.+}:) y >> ins=. ctl #&.> (2 < ctl) {"_1 avg,.y >> ;}:,y;"0 ins >> ) >> t wat v >> |domain error: wat >> | ins=.ctl #&.>(2<ctl){"_1 avg,.y >> >> On Tue, Nov 20, 2012 at 9:06 PM, Raul Miller <[email protected]> wrote: >>> On Mon, Nov 19, 2012 at 5:38 PM, Alexander Epifanov <[email protected]> >>> wrote: >>>> Unfortunately cannot resolve problem, which could be easy resolved with >>>> loop: >>>> t=: 1 3 6 10 11 12 >>>> v=: 0 20 40 60 80 100 >>>> >>>> i=: _1+(}.-}:) t >>>> i NB. its just distance between numbers >>>> 1 2 3 0 0 0 >>>> >>>> And now the main problem for me, because I have to modify v array: >>>> if i = 0 then nothing >>>> if i = 1 or i = 2 then insert average value (for 1) and two values for 2 >>>> if i = 3 then insert previous value >>> >>> This specification seems odd. What if i contains some other value? I >>> am going to assume that values greater than 3 will be given the same >>> treatment as values where you need 3 copies, and that negative values >>> will not appear in i >>> >>>> so, we have to fill missed values in t and v: >>>> t=: 1 3 6 10 11 12 >>>> v=: 0 20 40 60 80 100 >>>> >>>> should be: >>>> t2: 1 2 3 4 5 6 7 8 9 10 11 12 (ok, its just full index now) >>>> v2: 0 10 20 30 30 40 40 40 40 60 80 100 >>>> ^ inserted by condition: 10; 30 30; 40 40 40 >>>> >>>> Could you please help how to resolve it better? I suppose I can rotate >>>> |:t,:v and then fold it one-by-one, but I think it is not good >>>> solution. >>> >>> I am not sure if this is better, but it meets the specifications you >>> have provided: >>> >>> wat=: 4 :0 >>> ctl=. 0,~ _1+(}.-}:) x >>> avg=. 0,~ 0.5 * (}.+}:) y >>> ins=. ctl #&.> (2 < ctl) {"_1 avg,.y >>> ;}:,y;"0 ins >>> ) >>> >>> t wat v >>> 0 10 20 30 30 40 40 40 40 60 80 100 >>> >>> -- >>> Raul >>> ---------------------------------------------------------------------- >>> For information about J forums see http://www.jsoftware.com/forums.htm >> >> >> >> -- >> Regards, >> Alexander. >> ---------------------------------------------------------------------- >> For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm -- Regards, Alexander. ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
