/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

11 votes109 views1 answer
Pyhton between
Python
39 votes102 views5 answers
Dataframe create
Python
0 vote140 views1 answer
Python list of dictionaries to excel
Python
0 vote111 views1 answer
Reading Custom Delimited file in python
Python
4 votes62 views4 answers
Fahrenheit to celsius python program
Python
0 vote146 views1 answer
Django import Response
Python Django
0 vote108 views2 answers
Flask rest api upload image
Python
0 vote102 views1 answer
Pandas grid subplots
Python
14 votes229 views3 answers
Flask link stylesheet
Python Flask
11 votes102 views1 answer
AttributeError: 'dict' object has no attribute 'iteritems'
Python