select closest number in array python
import numpy as np
def find_nearest(array, value):
array = np.asarray(array)
idx = (np.abs(array - value)).argmin()
return array[idx]
array = np.random.random(10)
print(array)
# [ 0.21069679 0.61290182 0.63425412 0.84635244 0.91599191 0.00213826
# 0.17104965 0.56874386 0.57319379 0.28719469]
value = 0.5
print(find_nearest(array, value))
# 0.568743859261find the closest smaller value in an array python
>>> # the smallest element of myArr greater than myNumber
>>> myArr[myArr > myNumber].min()
44
>>> # the largest element of myArr less than myNumber
>>> myArr[myArr < myNumber].max()
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