Python numpy array to list

Ndarray to list

a = np.array([1, 2])
a.tolist()

Python numpy array to list

# Basic syntax:
numpy_array.tolist()

# Example usage:
your_array = np.array([[1, 2, 3], [4, 5, 6]])
your_array
--> array([[1, 2, 3],
           [4, 5, 6]])

your_array.tolist()
--> [[1, 2, 3], [4, 5, 6]]

Source: stackoverflow.com

From numpy to list python

import numpy as np

# 1d array to list
arr = np.array([1, 2, 3])
print(f'NumPy Array:\n{arr}')
#NumPy Array: [1 2 3]

list1 = arr.tolist()
print(f'List: {list1}')
#List: [1, 2, 3]

Source: journaldev.com

Convert list of lists to numpy array matrix python

x=[[1,2],[1,2,3],[1]]
y=numpy.array([numpy.array(xi) for xi in x])
type(y)
# <type 'numpy.ndarray'>
type(y[0])
# <type 'numpy.ndarray'>

Source: stackoverflow.com

Python numpy matrix to list

import numpy as np
x = np.matrix([[1,2,3],
               [7,1,3],
               [9,4,3]])
y = x.tolist()

y --> [[1, 2, 3], [7, 1, 3], [9, 4, 3]]

Source: stackoverflow.com

List of array to array numpy

np.concatenate( list_of_array, axis=0 )

Similar codes

1 vote186 views1 answer
Pandas query variable count
Python
2 votes177 views1 answer
Flask if statement
Python
29 votes217 views3 answers
Print python float precision
Python
2 votes324 views2 answers
Install wxPython
Python
-1 vote136 views2 answers
Embed discord bot python
Python
0 vote190 views1 answer
Get unique words from pandas dataframe
Python
0 vote192 views5 answers
Pine script to python
Python
0 vote176 views1 answer
Change version of python that poetry use
Python
0 vote176 views1 answer
No module named 'filterpy'
Python
1 vote180 views1 answer
How to refresh windows 10 with python
Python