/Python/Python convert multidimensional array to one dimensional

Python convert multidimensional array to one dimensional

In [12]: a = np.array([[1,2,3], [4,5,6]])

In [13]: b = a.ravel()

In [14]: b
Out[14]: array([1, 2, 3, 4, 5, 6])

Source: stackoverflow.com

Python convert two dimensional list to one dimensional

# Python convert 2D into 1D array:

import itertools
x = [['foo'], ['bar', 'baz'], ['quux'], ("tup_1", "tup_2"), {1:"one", 2:"two"}]
print list(itertools.chain(*x))
print [element for sub in x for element in sub]

# Output:

['foo', 'bar', 'baz', 'quux', 'tup_1', 'tup_2', 1, 2]

Source: daniweb.com

Similar codes

0 vote186 views1 answer
Python program to check whether a specified value is contained in a group of values
Python
7 votes184 views4 answers
Pandas.get_dummies
Python
4 votes226 views2 answers
Generate random prime number python
Python
1 vote180 views1 answer
Camera lags when using with opencv
Python
-1 vote206 views1 answer
Add widget in pyqt
Python
0 vote177 views1 answer
Flask minimal install
Python
0 vote173 views1 answer
How to check if variable in python is of what kind
Python
0 vote170 views1 answer
Compute mean over y for same x numpy
Python
-1 vote168 views2 answers
Print tables in python
Python
1 vote174 views1 answer
Check value vowel user input python
Python