% Numerical Mathematics and Computing, Fifth Edition % Ward Cheney & David Kincaid % Brooks/Cole Publ. Co. % (c) 2003 % % file: sng_val_decomp.m % % Singular Value Decompostion for matrix A A = [1 3 -2;2 7 5;-2 -3 4; 5 -3 -2]; [U,SV,V] = svd(A) pause D = U' * A * V %U' is the transpose of the matrix U A = U * D * V' % gives us A back