/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

4 votes282 views2 answers
Flask arguments in url
Python
0 vote300 views1 answer
Python def text
Python
2 votes291 views2 answers
Split datetime to date and time pandas
Python
2 votes267 views1 answer
How to chang your facebook name
Python
1 vote280 views1 answer
All subarrays of an array python
Python
0 vote282 views1 answer
How to find number of categories in python
Python
27 votes282 views2 answers
Python date get day
Python
0 vote317 views1 answer
Activate inherit function django
Python Django
0 vote270 views1 answer
Logartim normalization python pandas
Python
0 vote280 views1 answer
Rdflib check if graph is empty
Python