[Maxima] list of lists

Stavros Macrakis macrakis at alum.mit.edu
Mon Jun 1 15:30:59 CDT 2009


Yes, but you must have some way of generating the sublists and lists.  What
is that way?

On Mon, Jun 1, 2009 at 4:18 PM, Adam Majewski <adammaj1 at o2.pl> wrote:

>
> Thx for answer.
> > Depends where the elements are coming from.  If you know what they are
> > in advance...
> I do not know how many sublists it will be
> and I don't know the elements of sublists.
>
> Adam
>
> >
> >    a: [ [c] , [d] ] $
> >
> > Or you can do things like
> >
> >     makelist( makelist(i,i,1,n), n, 1, 4)
> >            =>  [[1], [1, 2], [1, 2, 3], [1, 2, 3, 4]]
> >
> > On Mon, Jun 1, 2009 at 3:49 PM, Adam Majewski <adammaj1 at o2.pl> wrote:
> >
> >     Hi,
> >
> >     I wanted to make array of list, but I failed to do it
> >     so I've tried to make list of lists ( if it is possible).
> >
> >     Here is what I have done :
> >     1. make a empty list
> >     a:[];
> >     2. add elements to list ( another empty list)
> >     a:cons([],a);
> >     a:cons([],a);
> >     3. add elements to sublists
> >     a[1]:cons(c,a[1]);
> >     a[2]:cons(d,a[2]);
> >     4. check
> >     a[1][1];
> >
> >     Is it a good/best way ?
> >
> >     Adam
> >
> >
> >     ============== code ====================
> >     a:[];
> >     a:cons([],a);
> >     a:cons([],a);
> >     a[1]:cons(c,a[1]);
> >     a[2]:cons(d,a[2]);
> >     a[1][1];
> >     ==============================================
> >
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> >
> >
> >
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