Answers for "python select matrix row"

4

print column in 2d numpy array

import numpy as np
x=np.arange(25).reshape(5,5)
print(x)
#print(x[:,index_of_column_you_need])
print(x[:,3])
Posted by: Guest on November-19-2020
1

select certain element from ndarray python

# arr = [elements]
# new_arr = arr[condition]  
# new_arr = [lements satisfying condition]
arr = [3, 6, 5, 9, 4, 12, 1]
new_arr = arr[arr%2 == 0]
new_arr = [6, 4, 12]
Posted by: Guest on June-16-2020

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