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MathGroup Archive 1995

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RE Bin <-> Decimal conversion

  • To: MATHGROUP at CHRISTENSEN.Cybernetics.NET
  • Subject: [mg401] RE [mg395] Bin <-> Decimal conversion
  • From: p.kent at ic.ac.uk
  • Date: Thu, 12 Jan 95 16:15:47 GMT

>... I am still looking for an efficient way to perform ToBin.

My colleague Phil Ramsden (p.ramsden at ic.ac.uk) suggests:

ToBin[0] = {}

ToBin[n_] := Append[ToBin[(n-#)/2],#]&[Mod[n,2]]


----------------------------------+----------------------------
 Dr Phillip Kent                  | Email: p.kent at ic.ac.uk 
 Transitional Mathematics Project | 
 Mathematics Department           | Tel: +44 (0)71 59 48503 
 Imperial College                 | Fax: +44 (0)71 59 48517   
 180 Queen's Gate                 |   
 London SW7 2BZ                   | Project World-Wide-Web at: 
 United Kingdom.                  | http://othello.ma.ic.ac.uk
----------------------------------+----------------------------



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