Hello there,
1.) Matlab expression to get the sum of first row of Matrix B is : sum(B(1,:))
2.) Matlab expression to get the element by element multiplication of first column of Matrix B with third column of matrix A is : B(:,1).*A(:,3)
3.) And also same you can use A(3,:)./B(:,2) for getting element by element division,
Hope, you got the answer, feel free to ask any doubt.
Thank you
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