list of lists



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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