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fec: remove unused mathutil.linear_fit_slope

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Brian Warner 2007-04-16 11:51:36 -07:00
parent 8aa2694595
commit 8e9d090bdb
1 changed files with 0 additions and 12 deletions
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12
pyfec/fec/util/mathutil.py
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@ -58,18 +58,6 @@ def log_ceil(n, b):
k += 1
return k
def linear_fit_slope(ps):
"""
@param ps a sequence of tuples of (x, y)
"""
avex = ave([x for (x, y) in ps])
avey = ave([y for (x, y) in ps])
sxy = sum([ (x - avex) * (y - avey) for (x, y) in ps ])
sxx = sum([ (x - avex) ** 2 for (x, y) in ps ])
if sxx == 0:
return None
return sxy / sxx
def permute(l):
"""
Return all possible permutations of l.