You're replying to a comment by Shlomi Fish.

July 07, 2009, 12:25

Hi all!

Just a note about the Python code:

def LinearFibonacci(n):
  fn = f1 = f2 = 1
  for x in xrange(2, n):
    fn = f1 + f2
    f2, f1 = f1, fn
  return fn

fn is not needed here, and if one opts to use it anyway, need not be initialised before the loop. Furthermore, the variable names "f1" and "f2" are confusing here, because I expect f2 to be bigger than f1. I would write this code as:

def LinearFibonacci(n):
  curr, next = 1, 1
  for x in xrange(2, n):
    next, curr = ((next+curr),next)
  return next

Tested and works.

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