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faster rms

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This commit is contained in:
Stephen McQuay 2011-05-26 14:40:02 -06:00
parent 151b61a80f
commit 9a0d0a3e10
1 changed files with 9 additions and 5 deletions
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14
interp/tools.py
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@ -10,11 +10,15 @@ def rms(errors):
""" """
root mean square calculation root mean square calculation
""" """
r = 0.0
for i in errors: # slow pure python way for reference:
r += np.power(i, 2) # r = 0.0
r = np.sqrt(r / len(errors)) # for i in errors:
return r # r += np.power(i, 2)
# r = np.sqrt(r / len(errors))
# return r
return np.sqrt((errors**2).mean())
def baker_exact_2D(X): def baker_exact_2D(X):
""" """