a = np.arange(6).reshape((3, 2))

>>> a

array([[0, 1],

       [2, 3],

       [4, 5]])

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]

# Python code to demonstrate

# flattening a 2d numpy array

# into 1d array

import numpy as np

ini_array1 = np.array([[1, 2, 3], [2, 4, 5], [1, 2, 3]])

# printing initial arrays

print("initial array", str(ini_array1))

# Multiplying arrays

result = ini_array1.flatten()

# printing result

print("New resulting array: ", result)