Re: nonspurious bug report (probably PackedArray related)
- To: mathgroup at smc.vnet.net
- Subject: [mg64238] Re: nonspurious bug report (probably PackedArray related)
- From: Bill Rowe <readnewsciv at earthlink.net>
- Date: Tue, 7 Feb 2006 03:36:16 -0500 (EST)
- Sender: owner-wri-mathgroup at wolfram.com
On 2/6/06 at 2:49 AM, dreeves at umich.edu (Daniel Reeves) wrote:
>Try the following with n < 100 and then with n >= 100. You'll see
>something goes drastically awry!
>Map[ReplacePart[{{1, 1}}, {#}, 1] &, Range[n]]
>The problem exists in (at least) version 5.2, both Windows and
>Linux.
There is also a problem with version 5.2 on Mac OS 10.4.4, i.e.,
In[34]:=
n = 99;
({{#1}}&/@ Range[n]) == (ReplacePart[{{1, 1}}, {#1}, 1]&/@Range[n])
Out[35]=
True
In[36]:=
n = 100;
({{#1}}&/@ Range[n]) == (ReplacePart[{{1, 1}}, {#1}, 1]&/@Range[n])
Out[37]=
False
--
To reply via email subtract one hundred and four