iter = 0, Function value 4575.71, Residual: 1815.3 iter = 1, Function value 4575.71, Residual: 415.143 iter = 2, Function value 4575.71, Residual: 4965.44 iter = 3, Function value 4575.71, Residual: 781.894 iter = 4, Function value 4429.37, Residual: 3332.71 iter = 5, Function value 4429.37, Residual: 630.656 iter = 6, Function value 4429.37, Residual: 206.473 iter = 7, Function value 3264.37, Residual: 286.509 iter = 8, Function value 3264.37, Residual: 89.9139 iter = 9, Function value 2455.18, Residual: 61.621 iter = 10, Function value 2449.91, Residual: 223.229 iter = 11, Function value 2449.91, Residual: 48.5459 iter = 12, Function value 2445.86, Residual: 142.167 iter = 13, Function value 2409.89, Residual: 2226.94 iter = 14, Function value 2409.89, Residual: 260.83 iter = 15, Function value 2391.42, Residual: 247.039 iter = 16, Function value 2385.17, Residual: 1422.23 iter = 17, Function value 2384.73, Residual: 113.269 iter = 18, Function value 2384.5, Residual: 28.9552 iter = 19, Function value 2384.5, Residual: 3.307 iter = 20, Function value 2384.48, Residual: 0.144758 iter = 21, Function value 2384.48, Residual: 0.0521167 iter = 22, Function value 2384.48, Residual: 0.00411128 iter = 23, Function value 2384.48, Residual: 0.501802 iter = 24, Function value 2384.48, Residual: 0.0125091 iter = 25, Function value 2384.48, Residual: 0.000635813 iter = 26, Function value 2384.48, Residual: 4.62955e-05 iter = 27, Function value 2384.48, Residual: 2.92938e-05 iter = 28, Function value 2384.48, Residual: 3.88698e-06