use matlab code only and show work

a. Accept two numbers from the user m and n b. Define an array with the dimensions a(m,n) and fill it with random numbers in the range of 10 to 80 inclusive. c. Determine the followings: 1. Sum of all elements in the array. Print the result. 2. Sum of the element in a given row that the user will specify. Print the result. 3. Sum of the element in a given column that user will specify. Print the result. 4. Sum of the elements in the right diagonal. Print the result. 5. Sum of the elements in the left diagonat. Print the result. 6. The element with the minimum value in the array. Print the result. 7. The element with the maximum value in the array. Print the result. 8. The element with the minimum value in a row that user will specify. Print the result. 9. The element with the maximum value in a row that user will specify. Print the result. 10. The element with the minimum value in a column that user will specify. Print the result. 11. The element with the maximum value in a column that user will specify. Print the result. 12. Exchange the numbers in column 1 with the numbers in column n1