/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

0 vote151 views1 answer
Pandas snippets
Python
0 vote146 views1 answer
Adding new column to existing DataFrame in Pandas using concat method
Python
1 vote138 views1 answer
>>> import numpy Illegal instruction (core dumped)
Python
21 votes234 views4 answers
Send dm discord py
Python
1 vote144 views1 answer
How to veiw and edit files with python
Python
2 votes194 views2 answers
Take two numbers as inout in single line in python
Python
1 vote141 views1 answer
Show chrome devtools in selenium
Python
0 vote190 views1 answer
Reportlab python draw line
Python
0 vote130 views1 answer
Matplotlib rc params
Python
0 vote132 views1 answer
Self.find_by_id
Python