Astrolabe1993 Astrolabe1993 - 1 year ago 93
Python Question

Replace value in array when greater than x

I get a little problem with a simple idea. I have an array of data and I would like to replace each value if the value is greater than X.

To solve that, I wrote a little script as example which give the same idea :

import numpy as np

# Array creation

array = np.array([0.5, 0.6, 0.9825])

print array

# If value > 0.7 replace by 0.

new_array = array[array > 0.7] == 0

print new_array

I would like to obtain :

>>> [0.5, 0.6, 0] # 0.9825 is replaced by 0 because > 0.7

Thank you if you could me help ;)


I didn't find How this subject could help me : Replace all elements of Python NumPy Array that are greater than some value
The answer given by @ColonelBeauvel is not noticed in the previous post.

Answer Source

I wonder why this solution is not provided in the link @DonkeyKong provided:

np.where(arr>0.7, 0, arr)
#Out[282]: array([ 0.5,  0.6,  0. ])
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