Square the following matrix using matlab
A = 1 2 3 4
5 6 7 8
So new matrix should display as
A = 1 4 9 16
25 36 49 64
Note: What is required here is squaring the elements in the matrix, which is not the same as squaring the matrix.
Swap the input arguments
Find the sum of the elements in the "second" diagonal
Convert a vector into a number
Calculate area of sector
Replacing a row
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