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Python | Numpy matrix.sum()
  • Last Updated : 20 May, 2019
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With the help of matrix.sum() method, we are able to find the sum of values in a matrix by using the same method.

Syntax : matrix.sum()
Return : Return sum of values in a matrix

Example #1 :
In this example we are able to find the sum of values in a matrix by using matrix.sum() method.




# import the important module in python
import numpy as np
             
# make matrix with numpy
gfg = np.matrix('[4, 1; 12, 3]')
             
# applying matrix.sum() method
geek = gfg.sum()
   
print(geek)
Output:
20

Example #2 :






# import the important module in python
import numpy as np
             
# make matrix with numpy
gfg = np.matrix('[4, 1, 9; 12, 3, 1; 4, 5, 6]')
             
# applying matrix.sum() method
geek = gfg.sum(axis = 1)
   
print(geek)
Output:
[[14]
 [16]
 [15]]

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