arr[i] = 0 # zeroes out row i
arr[:,i] = 0 # zeroes out column i
How to 'zero' out rows & columns in an array
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02-06-2022 - |
Pregunta
I have a 2D array to represent a many-many mapping :
0 3 1 3
3 0 0 0
1 0 0 0
3 0 0 0
What is the quickest way to 'zero' out rows and column entries corresponding to a particular index in this array?
Solución
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