>> ex x = 0 1 2 3 4 5 y = 2.0000 3.0000 2.5000 2.2000 0.4000 1.7000 A = 1 0 0 0 1 1 1 1 1 2 4 8 1 3 9 27 1 4 16 64 1 5 25 125 ATA = 6 15 55 225 15 55 225 979 55 225 979 4425 225 979 4425 20515 ans = 1.0528e+05 alpha = 1.9349 2.3267 -1.3091 0.1657 p = 0.1657 -1.3091 2.3267 1.9349 A = 1.0000 0 0 0 0.5000 0.5000 0 0 0 1.0000 0 0 0 0.5000 0.5000 0 0 0 1.0000 0 0 0 0.5000 0.5000 ATA = 1.2500 0.2500 0 0 0.2500 1.5000 0.2500 0 0 0.2500 1.5000 0.2500 0 0 0.2500 0.2500 ans = 9.1326 alpha = 2.2143 2.9286 0.6143 2.7857 >> quit