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MathGroup Archive 2004

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Re: To create {{},{},....{}} beyond $MaxRecursionLimit

  • To: mathgroup at
  • Subject: [mg46731] Re: To create {{},{},....{}} beyond $MaxRecursionLimit
  • From: "Hans Michel" <hansjm at>
  • Date: Wed, 3 Mar 2004 02:30:40 -0500 (EST)
  • References: <c238e9$igj$>
  • Reply-to: "Hans Michel" <hansjm at>
  • Sender: owner-wri-mathgroup at



I don't know what else you may want.

You probably get tons of examples from the group.

Here is another

PadLeft[{},4,"{}"], Although, this one is not equivalent to Table the Head
the elements is String not List.

PadLeft[{},4,List[{}]] All Heads are list. So is PadRight[{},4,List[{}]]


"János" <janos.lobb at> wrote in message
news:c238e9$igj$1 at
> Hi,
> I am in need of creating a nested list in  the form of {{},{},....{}}
> of arbitrary length where none of the sublists have any element in it.
> I came up with
> lst = NestList[List, {},lengthlist - 1]
> For[i = 2, i <=
>      lengthlist, i++, flt = Table[{j}, {j, i, lengthlist}]; lst =
> FlattenAt[lst, flt]]
> however it complains  when lengthlen is over $MaxRecursionLimit.  I see
> that I can change that Limit to Infinity, but I rather would not go
> that route.  It must be a better way without using NestList.
> Any good hint ?
> Thanks ahead,
> János
> -------------------------------------------------
> clear perl code is better than unclear awk code; but NOTHING comes
> close to unclear perl code

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