sag_gradient1 sag_gradient1: Seek local minimizer of a scalar function f(x) in [0,10] Graphics saved in "sag.png" it x f(x) f'(x) 0 9.0579194 -7.5142663 18.76611 1 8.1196139 -21.132072 10.407211 2 7.5992533 -25.449977 6.261545 3 7.2861761 -27.050661 3.9947265 4 7.0864397 -27.712747 2.6482944 5 6.954025 -28.006907 1.8008141 6 6.8639843 -28.143931 1.2456805 7 6.8017003 -28.209832 0.87186033 8 6.7581073 -28.24223 0.6152268 9 6.7273459 -28.258403 0.43663116 10 6.7055144 -28.266564 0.3111398 11 6.6899574 -28.270713 0.22235559 12 6.6788396 -28.272834 0.15923305 13 6.670878 -28.273922 0.11419752 14 6.6651681 -28.274482 0.081985577 15 6.6610688 -28.274771 0.058904202 16 6.6581236 -28.27492 0.042343881 17 6.6560064 -28.274997 0.030451193 18 6.6544838 -28.275037 0.021904818 19 6.6533886 -28.275058 0.015760229 20 6.6526006 -28.275068 0.011340921 21 6.6520335 -28.275074 0.0081616781 22 6.6516255 -28.275077 0.005874125 23 6.6513318 -28.275078 0.0042279551 24 6.6511204 -28.275079 0.0030432276 25 6.6509682 -28.27508 0.0021905373 26 6.6508587 -28.27508 0.0015767964 27 6.6507798 -28.27508 0.0011350288 28 6.6507231 -28.27508 0.00081703879 29 6.6506822 -28.27508 0.00058814138 30 6.6506528 -28.27508 0.00042337299 31 6.6506316 -28.27508 0.00030476581 32 6.6506164 -28.27508 0.00021938683 33 6.6506054 -28.27508 0.00015792677 Step size too small! 34 gradient descent steps were taken. Initial x = 9.05792, f(x) = -7.51427, f'(x) = 18.7661 Final x = 6.65061, f(x) = -28.2751, f'(x) = 0.000157927 Graphics saved in "sag_minimizer.png" sag_gradient1: Normal end of execution. diary quartic_gradient1.txt