/Python/Python replace values in a matrix

Python replace values in a matrix

Replace matrix values python

>>> import numpy as np
   >>> M = np.arange(10)
   >>> M
   array([0, 1, 2, 3, 4, 5, 6, 7, 8, 9])
   >>> M[(M > 2) & (M < 7)] = -1
   >>> M
   array([ 0,  1,  2, -1, -1, -1, -1,  7,  8,  9])

Source: moonbooks.org

Replace matrix values python

>>> A = np.array((1,7,3,8,4,9,1))
>>> np.where(A>4,1,A)
array([1, 1, 3, 1, 4, 1, 1])

Source: moonbooks.org

Similar codes

1 vote275 views1 answer
List methods in python
Python
0 vote268 views1 answer
Python file get text by regular expression
Python
0 vote284 views1 answer
Issue AttributeError: ‘numpy.ndarray’ object has no attribute ‘index’
Python
0 vote269 views1 answer
Def areEquallyStrong(yourLeft, yourRight, friendsLeft, friendsRight):python execution
Python
0 vote281 views1 answer
* pattern by python
Python
3 votes264 views1 answer
Pytz timezone list
Python
-1 vote288 views4 answers
How to say hello world in c++
Python
1 vote265 views1 answer
Python flatten array of arrays
Python
2 votes276 views1 answer
How to receive password using tkinter entry
Python
0 vote274 views1 answer
Generating datafraoms using specific row values
Python