Python | numpy.fill_diagonal() method
Last Updated :
27 Sep, 2019
With the help of numpy.fill_diagonal()
method, we can get filled the diagonals of numpy array with the value passed as the parameter in numpy.fill_diagonal()
method.
Syntax : numpy.fill_diagonal(array, value)
Return : Return the filled value in the diagonal of an array.
Example #1 :
In this example we can see that by using numpy.fill_diagonal()
method, we are able to get the diagonals filled with the values passed as parameter.
import numpy as np
array = np.array([[ 1 , 2 ], [ 2 , 1 ]])
np.fill_diagonal(array, 5 )
print (array)
|
Output :
[[5 2]
[2 5]]
Example #2 :
import numpy as np
array = np.zeros(( 3 , 3 ), int )
np.fill_diagonal(array, 1 )
print (array)
|
Output :
[[1 0 0]
[0 1 0]
[0 0 1]]
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