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MathGroup Archive 2002

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Re: Get rid of onion-like parentheses

  • To: mathgroup at
  • Subject: [mg37178] Re: Get rid of onion-like parentheses
  • From: "Allan Hayes" <hay at>
  • Date: Tue, 15 Oct 2002 04:17:54 -0400 (EDT)
  • References: <aodnvf$mlm$>
  • Sender: owner-wri-mathgroup at







Allan Hayes
Mathematica Training and Consulting
Leicester UK
hay at
Voice: +44 (0)116 271 4198
Fax: +44 (0)870 164 0565

"JJJ Shen" <jushen1 at> wrote in message
news:aodnvf$mlm$1 at
> Hi,
> I was trying to write a function, when given a list, say, {a,b,c,d}, the
> output is a op b op c op d, where op is (in LaTeX) \bigotimes, or "esc c *
> esc" (\[CircleTimes]) in Mathematica.
> Here's the code I wrote:
> f[{x_}]:=x;
> f[{x_, y_, z___}]:=f[Join[{x\[CircleTimes]y},{z}]];
> However, the output was not exactly what I expected, it looked like:
> ((a op b) op c) op d
> It seems when doing the "Join" operation, a pair of parenthesis was added.
> Can someone let me know how I can get rid of these parenthesis?
> Thanks a lot.
> JT
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