naïve c.c t= 0.0, 8.00000000 14.00000000 t= 0.1, 8.11050485 13.17891113 t= 0.2, 8.20341879 12.44239199 t= 0.3, 8.28067261 11.78134214 t= 0.4, 8.34398865 11.18764277 t= 0.5, 8.39490320 10.65405085 t= 0.6, 8.43478665 10.17410463 t= 0.7, 8.46486134 9.74203936 t= 0.8, 8.48621754 9.35271207 t= 0.9, 8.49982773 9.00153455 t= 1.0, 8.50655928 8.68441341 t= 1.1, 8.50718580 8.39769678 t= 1.2, 8.50239725 8.13812663 t= 1.3, 8.49280897 7.90279631 t= 1.4, 8.47896974 7.68911259 t= 1.5, 8.46136895 7.49476193 t= 1.6, 8.44044303 7.31768022 t= 1.7, 8.41658111 7.15602595 t= 1.8, 8.39013019 7.00815612 t= 1.9, 8.36139965 6.87260488 t= 2.0, 8.33066532 6.74806441 expon b.c t= 0.0 8.00000000 14.00000000 t= 0.1 8.11050402 13.17891976 t= 0.2 8.20341740 12.44240812 t= 0.3 8.28067090 11.78136476 t= 0.4 8.34398683 11.18767102 t= 0.5 8.39490145 10.65408398 t= 0.6 8.43478512 10.17414200 t= 0.7 8.46486015 9.74208040 t= 0.8 8.48621682 9.35275632 t= 0.9 8.49982757 9.00158157 t= 1.0 8.50655975 8.68446285 t= 1.1 8.50718698 8.39774832 t= 1.2 8.50239919 8.13818002 t= 1.3 8.49281172 7.90285130 t= 1.4 8.47897335 7.68916899 t= 1.5 8.46137344 7.49481957 t= 1.6 8.44044842 7.31773897 t= 1.7 8.41658743 7.15608567 t= 1.8 8.39013746 7.00821671 t= 1.9 8.36140788 6.87266625 t= 2.0 8.33067452 6.74812647 eigen: x.a68 +0.00000000000000e +0 +8.00000000000000e +0+1.40000000000000e +1 +1.00000000000000e -1 +8.11050401885241e +0+1.31789197621761e +1 +2.00000000000000e -1 +8.20341739532298e +0+1.24424081206190e +1 +3.00000000000000e -1 +8.28067090478965e +0+1.17813647608903e +1 +4.00000000000000e -1 +8.34398682868584e +0+1.11876710200987e +1 +5.00000000000000e -1 +8.39490144899350e +0+1.06540839821931e +1 +6.00000000000000e -1 +8.43478511591070e +0+1.01741419987831e +1 +7.00000000000000e -1 +8.46486015051193e +0+9.74208040284262e +0 +8.00000000000000e -1 +8.48621681597317e +0+9.35275631563918e +0 +9.00000000000000e -1 +8.49982756573446e +0+9.00158156586331e +0 +1.00000000000000e +0 +8.50655975449285e +0+8.68446284577567e +0 +1.10000000000000e +0 +8.50718697786320e +0+8.39774832360473e +0 +1.20000000000000e +0 +8.50239918865320e +0+8.13818001566271e +0 +1.30000000000000e +0 +8.49281172173752e +0+7.90285129679244e +0 +1.40000000000000e +0 +8.47897334527699e +0+7.68916899479621e +0 +1.50000000000000e +0 +8.46137344332569e +0+7.49481957430366e +0 +1.60000000000000e +0 +8.44044842353611e +0+7.31773896888941e +0 +1.70000000000000e +0 +8.41658743356282e +0+7.15608566784912e +0 +1.80000000000000e +0 +8.39013746074570e +0+7.00821670650497e +0 +1.90000000000000e +0 +8.36140788160772e +0+6.87266624679326e +0 +2.00000000000000e +0 +8.33067452052400e +0+6.74812646868162e +0 eigen: a.c t = 0.0 8.00000000 14.00000000 t = 0.1 8.11050402 13.17891976 t = 0.2 8.20341740 12.44240812 t = 0.3 8.28067090 11.78136476 t = 0.4 8.34398683 11.18767102 t = 0.5 8.39490145 10.65408398 t = 0.6 8.43478512 10.17414200 t = 0.7 8.46486015 9.74208040 t = 0.8 8.48621682 9.35275632 t = 0.9 8.49982757 9.00158157 t = 1.0 8.50655975 8.68446285 t = 1.1 8.50718698 8.39774832 t = 1.2 8.50239919 8.13818002 t = 1.3 8.49281172 7.90285130 t = 1.4 8.47897335 7.68916899 t = 1.5 8.46137344 7.49481957 t = 1.6 8.44044842 7.31773897 t = 1.7 8.41658743 7.15608567 t = 1.8 8.39013746 7.00821671 t = 1.9 8.36140788 6.87266625 t = 2.0 8.33067452 6.74812647