Dear Sara, You are using the elements in L as indices into the list M. Just Add the values to M:
gap> L:=[2,23,10,15];; gap> M:=[];; gap> for i in L do > Add(M,QuoInt(465372-Sum(L),i)+3); > od; gap> M; [ 232664, 20234, 46535, 31024 ] Robert F. Morse On Fri, Sep 2, 2016 at 12:32 PM, Sara Dikson <s.dikson2...@gmail.com> wrote: > Dear Forum > I use "QuoInt" command for elements of a list. > Gap returns me a list with some empty spaces like following example: > > gap> L:=[2,23,10,15]; > > [ 2, 23, 10, 15 ] > > gap> M:=[];; > > gap> for i in L do > >> M[i]:=QuoInt(465372-Sum(L),i)+3; > >> od; M; > > [ , 232664,,,,,,,, 46535,,,,, 31024,,,,,,,, 20234 ] > > Although I can compact M by "Compacted(M)", I want a command for "for" loop > which does not create any empty spaces. Is it possible? > > I mean I need such a command that calculate ''QuoInt'' for five elements of > list "L" and no more. > > I need it because I think the empty spaces for a list with large > integer takes up a lot of memory. > > > Best regards > > Sara > _______________________________________________ > Forum mailing list > Forum@mail.gap-system.org > http://mail.gap-system.org/mailman/listinfo/forum _______________________________________________ Forum mailing list Forum@mail.gap-system.org http://mail.gap-system.org/mailman/listinfo/forum
