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MathGroup Archive 1995

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question: {a,b,c}->{{a,b},{b,c}}??

  • Subject: [mg2459] question: {a,b,c}->{{a,b},{b,c}}??
  • From: B.W.v.d.Zwet at ("Bart van der Zwet")
  • Date: Mon, 13 Nov 1995 03:26:12 GMT
  • Approved:
  • Distribution: local
  • Newsgroups: wri.mathgroup
  • Organization: Wolfram Research, Inc.
  • Sender: daemon at ( )


I'm working on a problem in which I have to substitute a list,
for instance {a,b,c,d} by the other list {{a,b},{b,c},{c,d}}.
I've managed to solve it for a given length of the first list, by
using the substitution-rule :
{a_,b_,c_} -> {{a,b},{b,c}}      (this for a list of three elements)
I would like to find out how this can be done for a list of arbitrary


Bart van der Zwet
Student Mathematics
Eindhoven University of Technology
The Netherlands
e-mail : B.W.v.d.Zwet at

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