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/argmax.py
Created Jun 15, 2011

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#!/usr/bin/env python
from __future__ import division
from random import random
from timeit import timeit
def maxarg(arr):
counter = 0
arg = 0
m = arr[0]
for x in arr:
if x > m:
m = x
arg = counter
counter += 1
return arg
a = [random() for i in range(10000000)]
print timeit('a.index(max(a))', 'from __main__ import a', number=3)
print timeit('maxarg(a)', 'from __main__ import a, maxarg', number=3)
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