diagonal elements 0.586524 0.688875 1.986717 1.363831 0.674748 7.178537 14.117509 1.968263 16.535000 5.000000 off-diagonal elements -0.030793 -0.342647 0.759790 0.150487 0.267758 9.145267 -0.908888 1.626276 -7.745967 tridiagonal matrix 0.59 -0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 -0.03 0.69 -0.34 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 -0.34 1.99 0.76 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.76 1.36 0.15 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.15 0.67 0.27 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.27 7.18 9.15 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 9.15 14.12 -0.91 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 -0.91 1.97 1.63 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.63 16.53 -7.75 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 -7.75 5.00