/Python/Convert 2d aray into 1d using python

Convert 2d aray into 1d using python

Convert 2d list to 1d python

import itertools

a = [[1, 2], [3, 4], [5, 6]]
list(itertools.chain.from_iterable(a))

Output:- [1, 2, 3, 4, 5, 6]

Pass 2d array to 1d python

# Create a 2D Numpy Array.
arr = np. array([[0, 1, 2],
[3, 4, 5],
[6, 7, 8]])
# convert 2D array to a 1D array of size 9.
flat_arr = np. reshape(arr, 9)

Convert 2d aray into 1d using python

import numpy as np

twoDAry = [6.4],[5.9],[5.5],[5.3],[5.1],[4.9],[4.5],[4.5],[4.5],[4.3],[4.2],[3.8],[3.5],[2.8],[2.8],[2.8]
twoDAry = np.array(twoDAry)
print(twoDAry.reshape(1, -1)[0])

# Output
# [6.4 5.9 5.5 5.3 5.1 4.9 4.5 4.5 4.5 4.3 4.2 3.8 3.5 2.8 2.8 2.8]

Similar codes

0 vote171 views1 answer
Django 3.2 compatible to python 3.10?
Python Django
0 vote131 views1 answer
AttributeError: Can't get attribute '' on <module '__main__'> pickle
Python
19 votes126 views1 answer
Python cut string to length
Python
-1 vote142 views1 answer
Python scatter size
Python
0 vote119 views1 answer
Select only object columns pandas
Python
3 votes121 views2 answers
Python change cwd to script directory
Python
0 vote125 views1 answer
In pandas series hot to count the numer of appearences
Python
0 vote110 views1 answer
How to check if a key is present in python dictionary
Python
21 votes125 views5 answers
Python tkinter set minimum window size
Python
34 votes123 views6 answers
Name columns pandas
Python