Add new row to numpy array

How to append rows to a numpy matrix

import numpy as np    
arr = np.empty((0,3), int)
print("Empty array:")
print(arr)
arr = np.append(arr, np.array([[10,20,30]]), axis=0)
arr = np.append(arr, np.array([[40,50,60]]), axis=0)
print("After adding two new arrays:")
print(arr)

Add new row to numpy array

  newrow = [1,2,3]
  A = numpy.vstack([A, newrow])

Source: stackoverflow.com

Similar codes

0 vote200 views1 answer
Python floor float
Python
1 vote224 views1 answer
Private instance attribute python
Python
0 vote228 views1 answer
Discord bot response to private message python
Python
0 vote238 views1 answer
Use of numpy matrix in tkinter python 3
Python
0 vote225 views1 answer
Grepper how to use fraction
Python
1 vote226 views1 answer
Django print settings
Python
0 vote252 views1 answer
Flask read form data
Python Flask
0 vote236 views1 answer
Add metadata png PIL
Python
1 vote214 views2 answers
Check if user has manage messages discord.py
Python
0 vote268 views1 answer
No module named 'django_hitcounter'
Python Django