A is a bold matrix: [1 2 3; 4 5 6;7 8 9]
Given an integer 'n' , a matrix B exists such that has n copies of A in the row and column dimensions
example: for n=2; B= [A A; A A]
For such a matrix B return the sum of all elements multiplied by the size of B i.e.
C=sum (all elements of B) * size(B)
- Kindly note you will have to make the matrix A yourself *
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