sag_gradient1:
  Seek local minimizer of a scalar function f(x) in [ 0.0 , 10.0 ]

  Graphics saved in "sag.png"

   it      x               f(x)         f'(x)

    0       5.21938    -23.648551    -5.6811006
    1      5.503435    -25.159599    -4.9275995
    2      5.749815    -26.277644    -4.1249075
    3     5.9560604    -27.049676    -3.3452298
    4     6.1233219    -27.551181     -2.640641
    5     6.2553539    -27.860545     -2.038864
    6     6.3572971    -28.043516    -1.5468564
    7     6.4346399    -28.148196     -1.157765
    8     6.4925282    -28.206567   -0.85767055
    9     6.5354117    -28.238491   -0.63048778
   10     6.5669361    -28.255698   -0.46084801
   11     6.5899785    -28.264875   -0.33544455
   12     6.6067507     -28.26973   -0.24341977
   13     6.6189217    -28.272284    -0.1762483
   14     6.6277341    -28.273623   -0.12740703
   15     6.6341045    -28.274321  -0.091992979
   16     6.6387041    -28.274686  -0.066366585
   17     6.6420225    -28.274875   -0.04784975
   18      6.644415    -28.274974   -0.03448411
   19     6.6461392    -28.275025  -0.024843959
   20     6.6473814    -28.275051  -0.017894659
   21     6.6482761    -28.275065  -0.012887082
   22     6.6489205    -28.275072  -0.009279709
   23     6.6493844    -28.275076  -0.0066815474
   24     6.6497185    -28.275078  -0.0048105317
   25      6.649959    -28.275079  -0.0034632982
   26     6.6501322    -28.275079  -0.0024932905
   27     6.6502569     -28.27508  -0.0017949234
   28     6.6503466     -28.27508  -0.0012921465
   29     6.6504112     -28.27508  -0.00093019173
   30     6.6504577     -28.27508  -0.00066962161
   31     6.6504912     -28.27508  -0.00048204078
   32     6.6505153     -28.27508  -0.00034700535
   33     6.6505327     -28.27508  -0.00024979697
   34     6.6505452     -28.27508  -0.00017981966
   35     6.6505541     -28.27508  -0.00012944535
   36     6.6505606     -28.27508  -9.3182689e-05
   37     6.6505653     -28.27508  -6.7078546e-05
   38     6.6505686     -28.27508  -4.8287172e-05
   39      6.650571     -28.27508  -3.4759995e-05
   40     6.6505728     -28.27508  -2.5022316e-05
   41      6.650574     -28.27508  -1.801255e-05

  Step size too small!

   42 gradient descent steps were taken.
  Initial x =  5.219380006447557   f(x) =  -23.648551273082248  f'(x) =  -5.681100571240044
  Final x =  6.650574035923896   f(x) =  -28.27507993914412  f'(x) =  -1.8012550361490298e-05

  Graphics saved in "sag_minimizer.png"

sag_gradient1:
  Normal end of execution.