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#! /usr/bin/python
from Numeric import *
import sys
import re
recpat = re.compile(" *([\d\.E+-]+) +([\d\.E+-]+) +([\d\.E+-]+)")
f=open(sys.argv[1])
card = f.readline()
m=recpat.match(card)
v=array(map(float,(m.group(1),m.group(2), m.group(3))))
while 1:
card = f.readline()
if len(card)<3: break
m=recpat.match(card)
w=array(map(float,(m.group(1),m.group(2), m.group(3))))
print (w-v)[0], (w-v)[1], (w-v)[2]
v=w
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