Develop a matlab code for each question

Write a function that reads the order of the matrix and returns an identity matrix, which is a squared matrix with diagonal elements equal to 1 and other elements equal to zero. If the order of the matrix 3, the returned identity matrix is: Write a code where the elements of a squared matrix size (order) n are equal to the sum of its row and column position (i + j) Write a code where the elements of the matrix are equal i if (i j) and 1 if i = j. (i = row position and j = column position) Write a code to transpose the elements of an input matrix using loops