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python find closest value in list

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Hello There answered on March 15, 2020 Popularity 9/10 Helpfulness 6/10

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python find closest value in list

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def closest(lst, K):
      
    return lst[min(range(len(lst)), key = lambda i: abs(lst[i]-K))]
      
# Driver code
lst = [3.64, 5.2, 9.42, 9.35, 8.5, 8]
K = 9.1
print(closest(lst, K))

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Source: www.geeksforgeeks.org

Tags: closest find list python

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Contributed on Aug 25 2022

Hello There

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select closest number in array python

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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))
# 0.568743859261

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Source: stackoverflow.com

Tags: closest

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Contributed on Mar 15 2020

Concerned Cow

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find the closest position by time list python

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a = [13.6, 13.0, 12.1, 11.3, 10.3, 9.0, 8.8, 8.1]   #list
value = 11.5										#value to find

min(range(len(a)), key=lambda i: abs(a[i]- value))	#just index 
#result: 3
    
min(enumerate(a), key=lambda x: abs(x[1]-value)) 	#index and value
#result: (3, 11.3)

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Source: stackoverflow.com

Tags: closest

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Contributed on Jun 07 2022

Rui Coutinho

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python get nearest value in list

Comments(1)

def takeClosest(num,collection):
   return min(collection,key=lambda x:abs(x-num))

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Source: Grepper

Tags: get

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Contributed on Mar 27 2021

Terrible Tarantula

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python closest value to n in list

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def closest(arr, target):
  #1: calculate the delta between the number and the target for each numer (this is done in the list comprehension)
  #2: enumerate them to get the index of the minimum
  #2.1: key=... is used because now we have a tuple (check enumerate docs) so, knowing that x[0] is the index, we chose x[1], which is the actual value
  #3 once we have the index use it to access the correct value in the original array
  return arr[min(enumerate([abs(target-x) for x in arr]), key=lambda x: x[1])[0]]


def closest_with_bias(arr, target):
  # this time we will do the same thing but we will have a bias towards numbers above or below the target
  # for example if target is 0 then we can favor positive or negative numbers based on the POSITIVE_BIAS value
  # differences:
  # in the key function we add POSITIVE_BIAS to the calculated delta after checking if x is greater or equal than the target
  # example:
    # arr = [-4, 4, 5]
    # target = 0
    # calculated delta array = [4.1, 4, 5]
    # min will then find the 4 which has index 1
    # we have now favored 4 instead of -4
  POSITIVE_BIAS = .1
  bias = lambda x: abs(target-x[1]) if x[1]>=target else abs(target-x[1])+POSITIVE_BIAS
  return arr[min(enumerate([bias(x) for x in arr]), key=bias)[0]]

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Source: Grepper

Tags: closest list n

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Contributed on Nov 08 2022

Beniamin Iorga

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how to get index of closest value in list python

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min(range(len(a)), key=lambda i: abs(a[i]-11.5))

Popularity 9/10 Helpfulness 5/10 Language python

Source: stackoverflow.com

Tags: closest

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Contributed on Jul 12 2020

Cooperative Curlew

0 Answers Avg Quality 2/10

python find index of closest value in list

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min(range(len(a)), key=lambda i: abs(a[i]-11.5))

Popularity 9/10 Helpfulness 3/10 Language python

Source: stackoverflow.com

Tags: closest

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Contributed on Jul 12 2021

Glamorous Grasshopper

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python find closest value in list

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python find index of closest value in list

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