Find a general solution, if a solution exists, of each of the following systems of linear equations. Calculate by hand using the given SVD factorization; check the SVD and confirm your calculations with MATLAB/Octave (Procedure 3.3.15); then compare and contrast the two methods. (a) 7 180 19 180 19 8 41 45 180 22 101 59 60 - 45 180 133 4 180 45 180 2 91 15 60 =A x= A = 1 10 10 3 10 9 10 13 40 10 given the SVD 10 10 10 10 111