Write MATLAB statements to a) Define a matrix A= 6 5 2 1 -1 -2 -3 -4 -5 -6 -7 -8 87 43 b) Change the element in the 2nd row and 3rd column to 0 >> c) Delete row 4 >> d) Insert a row [0 5 6 8] to the end of the matrix >> e) Switch column 1 and 3 and switch column 2 and 4; >> Run your statements above in sequence in MATLAB, what is your final matrix?