Get rid of unwanted {}
- To: mathgroup at smc.vnet.net
- Subject: [mg37258] Get rid of unwanted {}
- From: "JJJ Shen" <jushen1 at hotmail.com>
- Date: Fri, 18 Oct 2002 05:18:31 -0400 (EDT)
- Sender: owner-wri-mathgroup at wolfram.com
Hi, Sorry for asking again a question regarding to the unwanted {}.
I wrote a function, f, which accepts input having a form like:
gg={{ob1},{ob2},{ob3}};
However, the output of f having a form like:
f[gg] gives {{{ob11}, {ob12}, {ob13}},{{ob21}, {ob22}, {ob23}, {ob24}}, ...
,{{obn1}, {obn2}, {obn3}}}
where the number of objects in each layer can vary.
The additional "intermediate" layer in the output of f prevents the feedback
to f, when use function like nest.
I looked up and tried several method, and it seems to be easy to get rid of
all inner layers, or the innerest layer, or the outmost layer (use
Sequence).
Is there a way to get rid of the middle layer as describe above?
Thanks very much for your kind help.
Sincerely,
JT
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