diff --git a/dokumentation/evolution3d/20171013_3dFit_4x4x7_100times.csv b/dokumentation/evolution3d/20171013_3dFit_4x4x7_100times.csv
new file mode 100644
index 0000000..0b5d854
--- /dev/null
+++ b/dokumentation/evolution3d/20171013_3dFit_4x4x7_100times.csv
@@ -0,0 +1,101 @@
+regularity,variability,improvement,"Evolution error",steps
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diff --git a/dokumentation/evolution3d/20171013_3dFit_5x4x4_100times.csv b/dokumentation/evolution3d/20171013_3dFit_5x4x4_100times.csv
new file mode 100644
index 0000000..276a3e9
--- /dev/null
+++ b/dokumentation/evolution3d/20171013_3dFit_5x4x4_100times.csv
@@ -0,0 +1,101 @@
+regularity,variability,improvement,"Evolution error",steps
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diff --git a/dokumentation/evolution3d/4x4xX.csv b/dokumentation/evolution3d/4x4xX.csv
new file mode 100644
index 0000000..b1042ec
--- /dev/null
+++ b/dokumentation/evolution3d/4x4xX.csv
@@ -0,0 +1,301 @@
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+7.89711e-05,0.00592209,0.615108,116.805.,2293
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+5.95256e-05,0.00592209,0.626188,113.428.,2336
+5.63659e-05,0.00592209,0.618554,117.456.,2105
+6.32019e-05,0.00592209,0.616926,122.15.,1799
+6.05333e-05,0.00592209,0.613481,124.576.,1873
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+6.52182e-05,0.00592209,0.610882,129.916.,1246
+6.78626e-05,0.00592209,0.608581,119.673.,2155
+5.12495e-05,0.00592209,0.6262,116.233.,3037
+6.7083e-05,0.00592209,0.608299,125.086.,1595
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+0.000104432,0.00740261,0.642969,117.524.,1103
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+0.00014468,0.00740261,0.64633,95.9897.,1552
+0.000131339,0.00740261,0.65456,104.384.,2112
+0.000137424,0.00740261,0.641967,104.01.,1864
+0.000119603,0.00740261,0.643056,104.585.,1573
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+9.48346e-05,0.00740261,0.657038,104.262.,2105
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+0.000115945,0.00740261,0.655308,109.61.,1354
+8.95548e-05,0.00740261,0.642705,96.3427.,2743
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+9.39073e-05,0.00740261,0.655253,103.753.,1723
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+0.000124885,0.00740261,0.65789,106.656.,1534
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+9.94695e-05,0.00740261,0.651079,103.875.,2087
+0.000161101,0.00740261,0.654378,99.7871.,1947
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+0.000147347,0.00740261,0.6422,110.554.,1301
+0.000112197,0.00740261,0.654611,114.952.,998
+0.00011529,0.00740261,0.643761,99.7046.,1245
+0.000161519,0.00740261,0.653702,96.1227.,2219
+0.000137877,0.00740261,0.646996,94.9822.,3061
+0.000113204,0.00740261,0.629358,109.207.,1124
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+0.00012474,0.00740261,0.64672,104.201.,1704
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+0.000149274,0.00740261,0.662709,91.3925.,1790
+0.000121329,0.00740261,0.647837,102.095.,2291
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+0.000134623,0.00740261,0.657907,94.8621.,1577
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+0.000162778,0.00740261,0.642773,119.675.,1364
+0.000113733,0.00740261,0.652888,102.147.,2012
+0.000119502,0.00740261,0.65036,103.006.,1817
+0.000123499,0.00740261,0.642794,104.759.,1498
+7.33021e-05,0.0103637,0.695354,85.1149.,1998
+9.86305e-05,0.0103637,0.696996,82.2095.,2127
+9.13367e-05,0.0103637,0.699654,93.8283.,1339
+5.75201e-05,0.0103637,0.685872,99.4121.,1936
+8.29441e-05,0.0103637,0.689831,84.7928.,1570
+8.37538e-05,0.0103637,0.687731,89.4784.,1535
+7.72656e-05,0.0103637,0.692668,98.0445.,1478
+5.69885e-05,0.0103637,0.686888,82.4413.,2455
+7.94244e-05,0.0103637,0.690775,95.9898.,1700
+9.02474e-05,0.0103637,0.702276,82.9514.,1923
+7.38352e-05,0.0103637,0.679235,95.6417.,1518
+0.000106945,0.0103637,0.68402,97.597.,1496
+7.83009e-05,0.0103637,0.693436,92.8455.,2190
+4.40066e-05,0.0103637,0.683834,87.554.,2604
+0.000109585,0.0103637,0.689338,88.0962.,1754
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+6.00375e-05,0.0103637,0.700927,92.6177.,1908
+6.18399e-05,0.0103637,0.683082,91.9667.,1509
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+9.10256e-05,0.0103637,0.692394,94.741.,1626
+8.72593e-05,0.0103637,0.685888,87.4631.,1578
+8.07573e-05,0.0103637,0.686368,99.0457.,1287
+5.47625e-05,0.0103637,0.70257,83.0585.,3707
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+9.30803e-05,0.0103637,0.69225,85.5196.,1738
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+7.17017e-05,0.0103637,0.688038,95.6485.,1590
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+8.52955e-05,0.0103637,0.68677,86.2912.,1972
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+6.19528e-05,0.0103637,0.677021,93.7818.,2474
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+7.17098e-05,0.0103637,0.691257,97.1194.,1678
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+9.78857e-05,0.0103637,0.6923,80.2224.,2365
+5.53248e-05,0.0103637,0.690217,79.8926.,3130
+8.19988e-05,0.0103637,0.680978,95.5281.,1393
+8.39435e-05,0.0103637,0.696348,87.6941.,1657
+7.80363e-05,0.0103637,0.688069,101.649.,1615
+0.000108058,0.0103637,0.703279,85.3415.,2047
+8.591e-05,0.0103637,0.70373,86.2938.,2134
+0.000100807,0.0103637,0.688379,101.265.,1184
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+0.000100306,0.0103637,0.694876,90.5252.,1811
+7.43149e-05,0.0103637,0.681349,90.4494.,2383
+6.54223e-05,0.0103637,0.691461,94.5348.,1662
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+7.43768e-05,0.0103637,0.686236,89.5657.,2487
+0.000116654,0.0103637,0.703829,78.0427.,2381
+4.85051e-05,0.0103637,0.685997,91.3327.,2003
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+6.60943e-05,0.0103637,0.693062,83.6798.,1744
+5.83277e-05,0.0103637,0.692641,89.0655.,2169
+9.19515e-05,0.0103637,0.696555,82.225.,2525
+8.81229e-05,0.0103637,0.68317,90.5327.,2012
+5.85726e-05,0.0103637,0.692007,78.9694.,2646
+9.00751e-05,0.0103637,0.696617,83.061.,2168
+9.74536e-05,0.0103637,0.701995,97.7498.,1565
+8.15851e-05,0.0103637,0.693622,87.9928.,1602
+0.000105786,0.0103637,0.702003,83.4737.,1711
diff --git a/dokumentation/evolution3d/4x4xX.gnuplot.fit.log b/dokumentation/evolution3d/4x4xX.gnuplot.fit.log
new file mode 100644
index 0000000..59b167c
--- /dev/null
+++ b/dokumentation/evolution3d/4x4xX.gnuplot.fit.log
@@ -0,0 +1,184 @@
+
+
+*******************************************************************************
+Mon Oct 16 12:22:40 2017
+
+
+FIT:    data read from "4x4xX.csv" every ::1 using 1:5
+        format = x:z
+        #datapoints = 300
+        residuals are weighted equally (unit weight)
+
+function used for fitting: f(x)
+fitted parameters initialized with current variable values
+
+
+
+ Iteration 0
+ WSSR        : 1.32625e+09       delta(WSSR)/WSSR   : 0
+ delta(WSSR) : 0                 limit for stopping : 1e-05
+ lambda	  : 0.707107
+
+initial set of free parameter values
+
+a               = 1
+b               = 1
+
+After 7 iterations the fit converged.
+final sum of squares of residuals : 7.7143e+07
+rel. change during last iteration : -3.63726e-13
+
+degrees of freedom    (FIT_NDF)                        : 298
+rms of residuals      (FIT_STDFIT) = sqrt(WSSR/ndf)    : 508.792
+variance of residuals (reduced chisquare) = WSSR/ndf   : 258869
+
+Final set of parameters            Asymptotic Standard Error
+=======================            ==========================
+
+a               = -6.4547e+06      +/- 8.988e+05    (13.92%)
+b               = 2603.14          +/- 84.97        (3.264%)
+
+
+correlation matrix of the fit parameters:
+
+               a      b      
+a               1.000 
+b              -0.938  1.000 
+
+
+*******************************************************************************
+Mon Oct 16 12:22:40 2017
+
+
+FIT:    data read from "4x4xX.csv" every ::1 using 3:5
+        format = x:z
+        #datapoints = 300
+        residuals are weighted equally (unit weight)
+
+function used for fitting: g(x)
+fitted parameters initialized with current variable values
+
+
+
+ Iteration 0
+ WSSR        : 1.32546e+09       delta(WSSR)/WSSR   : 0
+ delta(WSSR) : 0                 limit for stopping : 1e-05
+ lambda	  : 0.84538
+
+initial set of free parameter values
+
+aa              = 1
+bb              = 1
+
+After 4 iterations the fit converged.
+final sum of squares of residuals : 8.94193e+07
+rel. change during last iteration : -1.93107e-12
+
+degrees of freedom    (FIT_NDF)                        : 298
+rms of residuals      (FIT_STDFIT) = sqrt(WSSR/ndf)    : 547.782
+variance of residuals (reduced chisquare) = WSSR/ndf   : 300065
+
+Final set of parameters            Asymptotic Standard Error
+=======================            ==========================
+
+aa              = -1884.14         +/- 995.6        (52.84%)
+bb              = 3263.68          +/- 652.3        (19.99%)
+
+
+correlation matrix of the fit parameters:
+
+               aa     bb     
+aa              1.000 
+bb             -0.999  1.000 
+
+
+*******************************************************************************
+Mon Oct 16 12:22:40 2017
+
+
+FIT:    data read from "4x4xX.csv" every ::1 using 3:4
+        format = x:z
+        #datapoints = 300
+        residuals are weighted equally (unit weight)
+
+function used for fitting: h(x)
+fitted parameters initialized with current variable values
+
+
+
+ Iteration 0
+ WSSR        : 3.18416e+06       delta(WSSR)/WSSR   : 0
+ delta(WSSR) : 0                 limit for stopping : 1e-05
+ lambda	  : 0.84538
+
+initial set of free parameter values
+
+aaa             = 1
+bbb             = 1
+
+After 4 iterations the fit converged.
+final sum of squares of residuals : 9837.05
+rel. change during last iteration : -4.26287e-10
+
+degrees of freedom    (FIT_NDF)                        : 298
+rms of residuals      (FIT_STDFIT) = sqrt(WSSR/ndf)    : 5.74545
+variance of residuals (reduced chisquare) = WSSR/ndf   : 33.0102
+
+Final set of parameters            Asymptotic Standard Error
+=======================            ==========================
+
+aaa             = -390.954         +/- 10.44        (2.671%)
+bbb             = 359.628          +/- 6.842        (1.903%)
+
+
+correlation matrix of the fit parameters:
+
+               aaa    bbb    
+aaa             1.000 
+bbb            -0.999  1.000 
+
+
+*******************************************************************************
+Mon Oct 16 12:22:40 2017
+
+
+FIT:    data read from "4x4xX.csv" every ::1 using 2:4
+        format = x:z
+        #datapoints = 300
+        residuals are weighted equally (unit weight)
+
+function used for fitting: i(x)
+fitted parameters initialized with current variable values
+
+
+
+ Iteration 0
+ WSSR        : 3.22367e+06       delta(WSSR)/WSSR   : 0
+ delta(WSSR) : 0                 limit for stopping : 1e-05
+ lambda	  : 0.70713
+
+initial set of free parameter values
+
+aaaa            = 1
+bbbb            = 1
+
+After 5 iterations the fit converged.
+final sum of squares of residuals : 13663.3
+rel. change during last iteration : -1.10647e-09
+
+degrees of freedom    (FIT_NDF)                        : 298
+rms of residuals      (FIT_STDFIT) = sqrt(WSSR/ndf)    : 6.77125
+variance of residuals (reduced chisquare) = WSSR/ndf   : 45.8499
+
+Final set of parameters            Asymptotic Standard Error
+=======================            ==========================
+
+aaaa            = -6441.69         +/- 211.7        (3.287%)
+bbbb            = 154.627          +/- 1.717        (1.11%)
+
+
+correlation matrix of the fit parameters:
+
+               aaaa   bbbb   
+aaaa            1.000 
+bbbb           -0.974  1.000 
diff --git a/dokumentation/evolution3d/4x4xX.gnuplot.log b/dokumentation/evolution3d/4x4xX.gnuplot.log
new file mode 100644
index 0000000..bb16f6c
--- /dev/null
+++ b/dokumentation/evolution3d/4x4xX.gnuplot.log
@@ -0,0 +1,348 @@
+
+
+ Iteration 0
+ WSSR        : 1.32625e+09       delta(WSSR)/WSSR   : 0
+ delta(WSSR) : 0                 limit for stopping : 1e-05
+ lambda	  : 0.707107
+
+initial set of free parameter values
+
+a               = 1
+b               = 1
+/
+
+ Iteration 1
+ WSSR        : 9.04975e+07       delta(WSSR)/WSSR   : -13.6551
+ delta(WSSR) : -1.23575e+09      limit for stopping : 1e-05
+ lambda	  : 0.0707107
+
+resultant parameter values
+
+a               = -2.95711
+b               = 2027.2
+/
+
+ Iteration 2
+ WSSR        : 9.04923e+07       delta(WSSR)/WSSR   : -5.67167e-05
+ delta(WSSR) : -5132.43          limit for stopping : 1e-05
+ lambda	  : 0.00707107
+
+resultant parameter values
+
+a               = -416.614
+b               = 2030.62
+/
+
+ Iteration 3
+ WSSR        : 9.03228e+07       delta(WSSR)/WSSR   : -0.0018764
+ delta(WSSR) : -169482           limit for stopping : 1e-05
+ lambda	  : 0.000707107
+
+resultant parameter values
+
+a               = -41519
+b               = 2034.26
+/
+
+ Iteration 4
+ WSSR        : 8.20379e+07       delta(WSSR)/WSSR   : -0.100989
+ delta(WSSR) : -8.28494e+06      limit for stopping : 1e-05
+ lambda	  : 7.07107e-05
+
+resultant parameter values
+
+a               = -2.54638e+06
+b               = 2256.46
+/
+
+ Iteration 5
+ WSSR        : 7.71442e+07       delta(WSSR)/WSSR   : -0.0634364
+ delta(WSSR) : -4.89375e+06      limit for stopping : 1e-05
+ lambda	  : 7.07107e-06
+
+resultant parameter values
+
+a               = -6.39466e+06
+b               = 2597.82
+/
+
+ Iteration 6
+ WSSR        : 7.7143e+07        delta(WSSR)/WSSR   : -1.49766e-05
+ delta(WSSR) : -1155.34          limit for stopping : 1e-05
+ lambda	  : 7.07107e-07
+
+resultant parameter values
+
+a               = -6.45469e+06
+b               = 2603.14
+/
+
+ Iteration 7
+ WSSR        : 7.7143e+07        delta(WSSR)/WSSR   : -3.63726e-13
+ delta(WSSR) : -2.80589e-05      limit for stopping : 1e-05
+ lambda	  : 7.07107e-08
+
+resultant parameter values
+
+a               = -6.4547e+06
+b               = 2603.14
+
+After 7 iterations the fit converged.
+final sum of squares of residuals : 7.7143e+07
+rel. change during last iteration : -3.63726e-13
+
+degrees of freedom    (FIT_NDF)                        : 298
+rms of residuals      (FIT_STDFIT) = sqrt(WSSR/ndf)    : 508.792
+variance of residuals (reduced chisquare) = WSSR/ndf   : 258869
+
+Final set of parameters            Asymptotic Standard Error
+=======================            ==========================
+
+a               = -6.4547e+06      +/- 8.988e+05    (13.92%)
+b               = 2603.14          +/- 84.97        (3.264%)
+
+
+correlation matrix of the fit parameters:
+
+               a      b      
+a               1.000 
+b              -0.938  1.000 
+
+
+ Iteration 0
+ WSSR        : 1.32546e+09       delta(WSSR)/WSSR   : 0
+ delta(WSSR) : 0                 limit for stopping : 1e-05
+ lambda	  : 0.84538
+
+initial set of free parameter values
+
+aa              = 1
+bb              = 1
+/
+
+ Iteration 1
+ WSSR        : 9.08499e+07       delta(WSSR)/WSSR   : -13.5895
+ delta(WSSR) : -1.23461e+09      limit for stopping : 1e-05
+ lambda	  : 0.084538
+
+resultant parameter values
+
+aa              = 285.251
+bb              = 1839.51
+/
+
+ Iteration 2
+ WSSR        : 8.94208e+07       delta(WSSR)/WSSR   : -0.015981
+ delta(WSSR) : -1.42903e+06      limit for stopping : 1e-05
+ lambda	  : 0.0084538
+
+resultant parameter values
+
+aa              = -1813.32
+bb              = 3217.3
+/
+
+ Iteration 3
+ WSSR        : 8.94193e+07       delta(WSSR)/WSSR   : -1.69869e-05
+ delta(WSSR) : -1518.96          limit for stopping : 1e-05
+ lambda	  : 0.00084538
+
+resultant parameter values
+
+aa              = -1884.12
+bb              = 3263.67
+/
+
+ Iteration 4
+ WSSR        : 8.94193e+07       delta(WSSR)/WSSR   : -1.93107e-12
+ delta(WSSR) : -0.000172675      limit for stopping : 1e-05
+ lambda	  : 8.4538e-05
+
+resultant parameter values
+
+aa              = -1884.14
+bb              = 3263.68
+
+After 4 iterations the fit converged.
+final sum of squares of residuals : 8.94193e+07
+rel. change during last iteration : -1.93107e-12
+
+degrees of freedom    (FIT_NDF)                        : 298
+rms of residuals      (FIT_STDFIT) = sqrt(WSSR/ndf)    : 547.782
+variance of residuals (reduced chisquare) = WSSR/ndf   : 300065
+
+Final set of parameters            Asymptotic Standard Error
+=======================            ==========================
+
+aa              = -1884.14         +/- 995.6        (52.84%)
+bb              = 3263.68          +/- 652.3        (19.99%)
+
+
+correlation matrix of the fit parameters:
+
+               aa     bb     
+aa              1.000 
+bb             -0.999  1.000 
+
+
+ Iteration 0
+ WSSR        : 3.18416e+06       delta(WSSR)/WSSR   : 0
+ delta(WSSR) : 0                 limit for stopping : 1e-05
+ lambda	  : 0.84538
+
+initial set of free parameter values
+
+aaa             = 1
+bbb             = 1
+/
+
+ Iteration 1
+ WSSR        : 44510.3           delta(WSSR)/WSSR   : -70.5376
+ delta(WSSR) : -3.13965e+06      limit for stopping : 1e-05
+ lambda	  : 0.084538
+
+resultant parameter values
+
+aaa             = -52.6873
+bbb             = 137.918
+/
+
+ Iteration 2
+ WSSR        : 9873.94           delta(WSSR)/WSSR   : -3.50786
+ delta(WSSR) : -34636.4          limit for stopping : 1e-05
+ lambda	  : 0.0084538
+
+resultant parameter values
+
+aaa             = -379.916
+bbb             = 352.399
+/
+
+ Iteration 3
+ WSSR        : 9837.05           delta(WSSR)/WSSR   : -0.00375062
+ delta(WSSR) : -36.895           limit for stopping : 1e-05
+ lambda	  : 0.00084538
+
+resultant parameter values
+
+aaa             = -390.95
+bbb             = 359.626
+/
+
+ Iteration 4
+ WSSR        : 9837.05           delta(WSSR)/WSSR   : -4.26287e-10
+ delta(WSSR) : -4.1934e-06       limit for stopping : 1e-05
+ lambda	  : 8.4538e-05
+
+resultant parameter values
+
+aaa             = -390.954
+bbb             = 359.628
+
+After 4 iterations the fit converged.
+final sum of squares of residuals : 9837.05
+rel. change during last iteration : -4.26287e-10
+
+degrees of freedom    (FIT_NDF)                        : 298
+rms of residuals      (FIT_STDFIT) = sqrt(WSSR/ndf)    : 5.74545
+variance of residuals (reduced chisquare) = WSSR/ndf   : 33.0102
+
+Final set of parameters            Asymptotic Standard Error
+=======================            ==========================
+
+aaa             = -390.954         +/- 10.44        (2.671%)
+bbb             = 359.628          +/- 6.842        (1.903%)
+
+
+correlation matrix of the fit parameters:
+
+               aaa    bbb    
+aaa             1.000 
+bbb            -0.999  1.000 
+
+
+ Iteration 0
+ WSSR        : 3.22367e+06       delta(WSSR)/WSSR   : 0
+ delta(WSSR) : 0                 limit for stopping : 1e-05
+ lambda	  : 0.70713
+
+initial set of free parameter values
+
+aaaa            = 1
+bbbb            = 1
+/
+
+ Iteration 1
+ WSSR        : 55969.5           delta(WSSR)/WSSR   : -56.597
+ delta(WSSR) : -3.1677e+06       limit for stopping : 1e-05
+ lambda	  : 0.070713
+
+resultant parameter values
+
+aaaa            = -11.3439
+bbbb            = 103.681
+/
+
+ Iteration 2
+ WSSR        : 42814.5           delta(WSSR)/WSSR   : -0.307254
+ delta(WSSR) : -13154.9          limit for stopping : 1e-05
+ lambda	  : 0.0070713
+
+resultant parameter values
+
+aaaa            = -1103.35
+bbbb            = 112.475
+/
+
+ Iteration 3
+ WSSR        : 13726.6           delta(WSSR)/WSSR   : -2.1191
+ delta(WSSR) : -29087.9          limit for stopping : 1e-05
+ lambda	  : 0.00070713
+
+resultant parameter values
+
+aaaa            = -6192.88
+bbbb            = 152.662
+/
+
+ Iteration 4
+ WSSR        : 13663.3           delta(WSSR)/WSSR   : -0.00463454
+ delta(WSSR) : -63.3229          limit for stopping : 1e-05
+ lambda	  : 7.0713e-05
+
+resultant parameter values
+
+aaaa            = -6441.56
+bbbb            = 154.626
+/
+
+ Iteration 5
+ WSSR        : 13663.3           delta(WSSR)/WSSR   : -1.10647e-09
+ delta(WSSR) : -1.51181e-05      limit for stopping : 1e-05
+ lambda	  : 7.0713e-06
+
+resultant parameter values
+
+aaaa            = -6441.69
+bbbb            = 154.627
+
+After 5 iterations the fit converged.
+final sum of squares of residuals : 13663.3
+rel. change during last iteration : -1.10647e-09
+
+degrees of freedom    (FIT_NDF)                        : 298
+rms of residuals      (FIT_STDFIT) = sqrt(WSSR/ndf)    : 6.77125
+variance of residuals (reduced chisquare) = WSSR/ndf   : 45.8499
+
+Final set of parameters            Asymptotic Standard Error
+=======================            ==========================
+
+aaaa            = -6441.69         +/- 211.7        (3.287%)
+bbbb            = 154.627          +/- 1.717        (1.11%)
+
+
+correlation matrix of the fit parameters:
+
+               aaaa   bbbb   
+aaaa            1.000 
+bbbb           -0.974  1.000 
diff --git a/dokumentation/evolution3d/4x4xX.gnuplot.script b/dokumentation/evolution3d/4x4xX.gnuplot.script
new file mode 100644
index 0000000..f83c230
--- /dev/null
+++ b/dokumentation/evolution3d/4x4xX.gnuplot.script
@@ -0,0 +1,26 @@
+set datafile separator ","
+f(x)=a*x+b
+fit f(x) "4x4xX.csv" every ::1 using 1:5 via a,b
+set terminal png
+set xlabel 'regularity'
+set ylabel 'steps'
+set output "4x4xX_regularity-vs-steps.png"
+plot     "20170926_3dFit_4x4x4_100times.csv" every ::1 using 1:5 title "4x4x4",     "20171005_3dFit_4x4x5_100times.csv" every ::1 using 1:5 title "4x4x5",     "20171013_3dFit_4x4x7_100times.csv" every ::1 using 1:5 title "4x4x7",     f(x) title "lin. fit" lc rgb "black"
+g(x)=aa*x+bb
+fit g(x) "4x4xX.csv" every ::1 using 3:5 via aa,bb
+set xlabel 'improvement potential'
+set ylabel 'steps'
+set output "4x4xX_improvement-vs-steps.png"
+plot     "20170926_3dFit_4x4x4_100times.csv" every ::1 using 3:5 title "4x4x4",     "20171005_3dFit_4x4x5_100times.csv" every ::1 using 3:5 title "4x4x5",     "20171013_3dFit_4x4x7_100times.csv" every ::1 using 3:5 title "4x4x7",     g(x) title "lin. fit" lc rgb "black"
+h(x)=aaa*x+bbb
+fit h(x) "4x4xX.csv" every ::1 using 3:4 via aaa,bbb
+set xlabel 'improvement potential'
+set ylabel 'evolution error'
+set output "4x4xX_improvement-vs-evo-error.png"
+plot     "20170926_3dFit_4x4x4_100times.csv" every ::1 using 3:4 title "4x4x4",     "20171005_3dFit_4x4x5_100times.csv" every ::1 using 3:4 title "4x4x5",     "20171013_3dFit_4x4x7_100times.csv" every ::1 using 3:4 title "4x4x7",     h(x) title "lin. fit" lc rgb "black"
+i(x)=aaaa*x+bbbb
+fit i(x) "4x4xX.csv" every ::1 using 2:4 via aaaa,bbbb
+set xlabel 'variability'
+set ylabel 'evolution error'
+set output "4x4xX_variability-vs-evo-error.png"
+plot     "20170926_3dFit_4x4x4_100times.csv" every ::1 using 2:4 title "4x4x4",     "20171005_3dFit_4x4x5_100times.csv" every ::1 using 2:4 title "4x4x5",     "20171013_3dFit_4x4x7_100times.csv" every ::1 using 2:4 title "4x4x7",     i(x) title "lin. fit" lc rgb "black"
diff --git a/dokumentation/evolution3d/4x4xX_improvement-vs-evo-error.png b/dokumentation/evolution3d/4x4xX_improvement-vs-evo-error.png
new file mode 100644
index 0000000..cbd5f42
Binary files /dev/null and b/dokumentation/evolution3d/4x4xX_improvement-vs-evo-error.png differ
diff --git a/dokumentation/evolution3d/4x4xX_improvement-vs-steps.png b/dokumentation/evolution3d/4x4xX_improvement-vs-steps.png
new file mode 100644
index 0000000..1be8475
Binary files /dev/null and b/dokumentation/evolution3d/4x4xX_improvement-vs-steps.png differ
diff --git a/dokumentation/evolution3d/4x4xX_montage.png b/dokumentation/evolution3d/4x4xX_montage.png
new file mode 100644
index 0000000..9bb1af6
Binary files /dev/null and b/dokumentation/evolution3d/4x4xX_montage.png differ
diff --git a/dokumentation/evolution3d/4x4xX_regularity-vs-steps.png b/dokumentation/evolution3d/4x4xX_regularity-vs-steps.png
new file mode 100644
index 0000000..1943f6a
Binary files /dev/null and b/dokumentation/evolution3d/4x4xX_regularity-vs-steps.png differ
diff --git a/dokumentation/evolution3d/4x4xX_variability-vs-evo-error.png b/dokumentation/evolution3d/4x4xX_variability-vs-evo-error.png
new file mode 100644
index 0000000..f29126b
Binary files /dev/null and b/dokumentation/evolution3d/4x4xX_variability-vs-evo-error.png differ
diff --git a/dokumentation/evolution3d/Xx4x4.csv b/dokumentation/evolution3d/Xx4x4.csv
new file mode 100644
index 0000000..1ece114
--- /dev/null
+++ b/dokumentation/evolution3d/Xx4x4.csv
@@ -0,0 +1,301 @@
+regularity,variability,improvement,"Evolution error",steps
+6.57581e-05,0.00592209,0.622392,113.016.,2368
+5.16451e-05,0.00592209,0.610293,118.796.,2433
+6.45083e-05,0.00592209,0.592139,127.157.,1655
+7.14801e-05,0.00592209,0.624039,121.613.,1933
+5.62707e-05,0.00592209,0.611091,119.539.,2618
+5.55953e-05,0.00592209,0.625812,119.512.,2505
+5.96026e-05,0.00592209,0.622873,118.285.,1582
+6.63676e-05,0.00592209,0.602386,126.579.,2214
+5.93125e-05,0.00592209,0.608913,122.512.,2262
+6.05066e-05,0.00592209,0.621467,118.473.,2465
+6.42976e-05,0.00592209,0.602593,121.998.,2127
+5.32868e-05,0.00592209,0.616501,115.313.,2746
+5.47856e-05,0.00592209,0.615173,118.034.,2148
+6.47209e-05,0.00592209,0.603935,120.003.,2304
+7.07812e-05,0.00592209,0.620422,123.494.,1941
+6.49313e-05,0.00592209,0.616232,122.989.,2214
+6.64295e-05,0.00592209,0.605206,123.757.,1675
+5.88806e-05,0.00592209,0.628055,110.67.,2230
+7.56461e-05,0.00592209,0.625361,121.232.,2187
+4.932e-05,0.00592209,0.612261,120.979.,2280
+5.45998e-05,0.00592209,0.61935,115.394.,2380
+6.10654e-05,0.00592209,0.614029,116.928.,2327
+6.09488e-05,0.00592209,0.611892,125.294.,1609
+5.85691e-05,0.00592209,0.632686,111.635.,2831
+6.87292e-05,0.00592209,0.61519,114.681.,2565
+6.53377e-05,0.00592209,0.627408,111.935.,2596
+6.98345e-05,0.00592209,0.616158,111.392.,2417
+7.90547e-05,0.00592209,0.620575,115.346.,2031
+6.50231e-05,0.00592209,0.625725,119.055.,1842
+6.76541e-05,0.00592209,0.625399,117.452.,1452
+5.72222e-05,0.00592209,0.614171,123.379.,2186
+7.42483e-05,0.00592209,0.624683,115.053.,2236
+6.9354e-05,0.00592209,0.619596,123.994.,1688
+5.75478e-05,0.00592209,0.605051,118.576.,1930
+6.01309e-05,0.00592209,0.617511,116.894.,2184
+6.69251e-05,0.00592209,0.608408,120.129.,2007
+4.66926e-05,0.00592209,0.60606,126.708.,1552
+4.90102e-05,0.00592209,0.618673,114.595.,2783
+5.51505e-05,0.00592209,0.619245,120.056.,2463
+6.1007e-05,0.00592209,0.605215,122.057.,1493
+5.04717e-05,0.00592209,0.623503,116.846.,2620
+6.3578e-05,0.00592209,0.625261,124.35.,2193
+5.8875e-05,0.00592209,0.624526,118.43.,2502
+7.95299e-05,0.00592209,0.611719,116.574.,1849
+6.42733e-05,0.00592209,0.608178,128.474.,2078
+6.41674e-05,0.00592209,0.624042,111.111.,2037
+4.88661e-05,0.00592209,0.615408,120.004.,2627
+7.27714e-05,0.00592209,0.626926,119.866.,2128
+4.84641e-05,0.00592209,0.608054,119.676.,2408
+6.66562e-05,0.00592209,0.603902,128.957.,1668
+5.99872e-05,0.00592209,0.63676,108.467.,3448
+7.73127e-05,0.00592209,0.62232,123.353.,1551
+6.67597e-05,0.00592209,0.621411,123.301.,2180
+5.2819e-05,0.00592209,0.617515,114.838.,4096
+5.29257e-05,0.00592209,0.622611,118.611.,1973
+5.35212e-05,0.00592209,0.62533,109.616.,3424
+7.1947e-05,0.00592209,0.632331,113.565.,2905
+5.04311e-05,0.00592209,0.611559,120.01.,2147
+6.57161e-05,0.00592209,0.617789,125.441.,1820
+5.18695e-05,0.00592209,0.610402,122.541.,2430
+6.47262e-05,0.00592209,0.609141,123.169.,1989
+5.87925e-05,0.00592209,0.61627,117.344.,2143
+4.36904e-05,0.00592209,0.631954,112.674.,3526
+6.45195e-05,0.00592209,0.614402,118.787.,1765
+5.8354e-05,0.00592209,0.615515,112.061.,2368
+7.14669e-05,0.00592209,0.628382,110.262.,1923
+7.24908e-05,0.00592209,0.610848,116.504.,1830
+5.98617e-05,0.00592209,0.622949,109.607.,3609
+5.90411e-05,0.00592209,0.629175,122.198.,1859
+5.25569e-05,0.00592209,0.621253,124.527.,1876
+5.86979e-05,0.00592209,0.612603,120.886.,2916
+4.73113e-05,0.00592209,0.610586,119.176.,2072
+5.8777e-05,0.00592209,0.62863,121.081.,2338
+5.6608e-05,0.00592209,0.617215,121.038.,3021
+5.74614e-05,0.00592209,0.626088,112.392.,2182
+6.86466e-05,0.00592209,0.631893,121.148.,2246
+4.77969e-05,0.00592209,0.635218,117.053.,2939
+5.50553e-05,0.00592209,0.610707,123.651.,1417
+6.89628e-05,0.00592209,0.638474,128.446.,1840
+6.85622e-05,0.00592209,0.620769,115.527.,2116
+5.28017e-05,0.00592209,0.614948,121.456.,2178
+7.06916e-05,0.00592209,0.61804,127.418.,2354
+6.81788e-05,0.00592209,0.616056,113.541.,2768
+7.89711e-05,0.00592209,0.615108,116.805.,2293
+5.84297e-05,0.00592209,0.612733,123.244.,2206
+5.53374e-05,0.00592209,0.605062,123.095.,1902
+5.51739e-05,0.00592209,0.631543,115.9.,3145
+6.9413e-05,0.00592209,0.59103,124.024.,1475
+5.08739e-05,0.00592209,0.621454,114.685.,3356
+5.95256e-05,0.00592209,0.626188,113.428.,2336
+5.63659e-05,0.00592209,0.618554,117.456.,2105
+6.32019e-05,0.00592209,0.616926,122.15.,1799
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diff --git a/dokumentation/evolution3d/Xx4x4.gnuplot.fit.log b/dokumentation/evolution3d/Xx4x4.gnuplot.fit.log
new file mode 100644
index 0000000..9c7e917
--- /dev/null
+++ b/dokumentation/evolution3d/Xx4x4.gnuplot.fit.log
@@ -0,0 +1,184 @@
+
+
+*******************************************************************************
+Mon Oct 16 12:15:22 2017
+
+
+FIT:    data read from "Xx4x4.csv" every ::1 using 1:5
+        format = x:z
+        #datapoints = 300
+        residuals are weighted equally (unit weight)
+
+function used for fitting: f(x)
+fitted parameters initialized with current variable values
+
+
+
+ Iteration 0
+ WSSR        : 6.81227e+08       delta(WSSR)/WSSR   : 0
+ delta(WSSR) : 0                 limit for stopping : 1e-05
+ lambda	  : 0.707107
+
+initial set of free parameter values
+
+a               = 1
+b               = 1
+
+After 7 iterations the fit converged.
+final sum of squares of residuals : 1.42477e+08
+rel. change during last iteration : -4.36753e-13
+
+degrees of freedom    (FIT_NDF)                        : 298
+rms of residuals      (FIT_STDFIT) = sqrt(WSSR/ndf)    : 691.456
+variance of residuals (reduced chisquare) = WSSR/ndf   : 478111
+
+Final set of parameters            Asymptotic Standard Error
+=======================            ==========================
+
+a               = -1.13401e+07     +/- 1.169e+06    (10.31%)
+b               = 2295.89          +/- 111.7        (4.866%)
+
+
+correlation matrix of the fit parameters:
+
+               a      b      
+a               1.000 
+b              -0.934  1.000 
+
+
+*******************************************************************************
+Mon Oct 16 12:15:22 2017
+
+
+FIT:    data read from "Xx4x4.csv" every ::1 using 3:5
+        format = x:z
+        #datapoints = 300
+        residuals are weighted equally (unit weight)
+
+function used for fitting: g(x)
+fitted parameters initialized with current variable values
+
+
+
+ Iteration 0
+ WSSR        : 6.80731e+08       delta(WSSR)/WSSR   : 0
+ delta(WSSR) : 0                 limit for stopping : 1e-05
+ lambda	  : 0.848453
+
+initial set of free parameter values
+
+aa              = 1
+bb              = 1
+
+After 4 iterations the fit converged.
+final sum of squares of residuals : 7.54457e+07
+rel. change during last iteration : -4.78216e-11
+
+degrees of freedom    (FIT_NDF)                        : 298
+rms of residuals      (FIT_STDFIT) = sqrt(WSSR/ndf)    : 503.163
+variance of residuals (reduced chisquare) = WSSR/ndf   : 253173
+
+Final set of parameters            Asymptotic Standard Error
+=======================            ==========================
+
+aa              = -17310           +/- 823          (4.754%)
+bb              = 12746.5          +/- 545.7        (4.282%)
+
+
+correlation matrix of the fit parameters:
+
+               aa     bb     
+aa              1.000 
+bb             -0.999  1.000 
+
+
+*******************************************************************************
+Mon Oct 16 12:15:22 2017
+
+
+FIT:    data read from "Xx4x4.csv" every ::1 using 3:4
+        format = x:z
+        #datapoints = 300
+        residuals are weighted equally (unit weight)
+
+function used for fitting: h(x)
+fitted parameters initialized with current variable values
+
+
+
+ Iteration 0
+ WSSR        : 3.08678e+06       delta(WSSR)/WSSR   : 0
+ delta(WSSR) : 0                 limit for stopping : 1e-05
+ lambda	  : 0.848453
+
+initial set of free parameter values
+
+aaa             = 1
+bbb             = 1
+
+After 4 iterations the fit converged.
+final sum of squares of residuals : 12619.9
+rel. change during last iteration : -1.72365e-10
+
+degrees of freedom    (FIT_NDF)                        : 298
+rms of residuals      (FIT_STDFIT) = sqrt(WSSR/ndf)    : 6.50758
+variance of residuals (reduced chisquare) = WSSR/ndf   : 42.3486
+
+Final set of parameters            Asymptotic Standard Error
+=======================            ==========================
+
+aaa             = -392.375         +/- 10.64        (2.713%)
+bbb             = 361.762          +/- 7.058        (1.951%)
+
+
+correlation matrix of the fit parameters:
+
+               aaa    bbb    
+aaa             1.000 
+bbb            -0.999  1.000 
+
+
+*******************************************************************************
+Mon Oct 16 12:15:22 2017
+
+
+FIT:    data read from "Xx4x4.csv" every ::1 using 2:4
+        format = x:z
+        #datapoints = 300
+        residuals are weighted equally (unit weight)
+
+function used for fitting: i(x)
+fitted parameters initialized with current variable values
+
+
+
+ Iteration 0
+ WSSR        : 3.126e+06         delta(WSSR)/WSSR   : 0
+ delta(WSSR) : 0                 limit for stopping : 1e-05
+ lambda	  : 0.70713
+
+initial set of free parameter values
+
+aaaa            = 1
+bbbb            = 1
+
+After 5 iterations the fit converged.
+final sum of squares of residuals : 15806.2
+rel. change during last iteration : -1.2249e-09
+
+degrees of freedom    (FIT_NDF)                        : 298
+rms of residuals      (FIT_STDFIT) = sqrt(WSSR/ndf)    : 7.28292
+variance of residuals (reduced chisquare) = WSSR/ndf   : 53.0409
+
+Final set of parameters            Asymptotic Standard Error
+=======================            ==========================
+
+aaaa            = -7290.04         +/- 227.7        (3.124%)
+bbbb            = 159.497          +/- 1.847        (1.158%)
+
+
+correlation matrix of the fit parameters:
+
+               aaaa   bbbb   
+aaaa            1.000 
+bbbb           -0.974  1.000 
diff --git a/dokumentation/evolution3d/Xx4x4.gnuplot.log b/dokumentation/evolution3d/Xx4x4.gnuplot.log
new file mode 100644
index 0000000..3150745
--- /dev/null
+++ b/dokumentation/evolution3d/Xx4x4.gnuplot.log
@@ -0,0 +1,348 @@
+
+
+ Iteration 0
+ WSSR        : 6.81227e+08       delta(WSSR)/WSSR   : 0
+ delta(WSSR) : 0                 limit for stopping : 1e-05
+ lambda	  : 0.707107
+
+initial set of free parameter values
+
+a               = 1
+b               = 1
+/
+
+ Iteration 1
+ WSSR        : 1.87451e+08       delta(WSSR)/WSSR   : -2.63417
+ delta(WSSR) : -4.93777e+08      limit for stopping : 1e-05
+ lambda	  : 0.0707107
+
+resultant parameter values
+
+a               = -6.81725
+b               = 1281.8
+/
+
+ Iteration 2
+ WSSR        : 1.87443e+08       delta(WSSR)/WSSR   : -4.08514e-05
+ delta(WSSR) : -7657.32          limit for stopping : 1e-05
+ lambda	  : 0.00707107
+
+resultant parameter values
+
+a               = -799.916
+b               = 1284.01
+/
+
+ Iteration 3
+ WSSR        : 1.86821e+08       delta(WSSR)/WSSR   : -0.0033319
+ delta(WSSR) : -622468           limit for stopping : 1e-05
+ lambda	  : 0.000707107
+
+resultant parameter values
+
+a               = -79558.9
+b               = 1291.04
+/
+
+ Iteration 4
+ WSSR        : 1.57831e+08       delta(WSSR)/WSSR   : -0.183673
+ delta(WSSR) : -2.89894e+07      limit for stopping : 1e-05
+ lambda	  : 7.07107e-05
+
+resultant parameter values
+
+a               = -4.71402e+06
+b               = 1704.6
+/
+
+ Iteration 5
+ WSSR        : 1.4248e+08        delta(WSSR)/WSSR   : -0.107743
+ delta(WSSR) : -1.53512e+07      limit for stopping : 1e-05
+ lambda	  : 7.07107e-06
+
+resultant parameter values
+
+a               = -1.12467e+07
+b               = 2287.56
+/
+
+ Iteration 6
+ WSSR        : 1.42477e+08       delta(WSSR)/WSSR   : -2.14129e-05
+ delta(WSSR) : -3050.84          limit for stopping : 1e-05
+ lambda	  : 7.07107e-07
+
+resultant parameter values
+
+a               = -1.13401e+07
+b               = 2295.89
+/
+
+ Iteration 7
+ WSSR        : 1.42477e+08       delta(WSSR)/WSSR   : -4.36753e-13
+ delta(WSSR) : -6.22272e-05      limit for stopping : 1e-05
+ lambda	  : 7.07107e-08
+
+resultant parameter values
+
+a               = -1.13401e+07
+b               = 2295.89
+
+After 7 iterations the fit converged.
+final sum of squares of residuals : 1.42477e+08
+rel. change during last iteration : -4.36753e-13
+
+degrees of freedom    (FIT_NDF)                        : 298
+rms of residuals      (FIT_STDFIT) = sqrt(WSSR/ndf)    : 691.456
+variance of residuals (reduced chisquare) = WSSR/ndf   : 478111
+
+Final set of parameters            Asymptotic Standard Error
+=======================            ==========================
+
+a               = -1.13401e+07     +/- 1.169e+06    (10.31%)
+b               = 2295.89          +/- 111.7        (4.866%)
+
+
+correlation matrix of the fit parameters:
+
+               a      b      
+a               1.000 
+b              -0.934  1.000 
+
+
+ Iteration 0
+ WSSR        : 6.80731e+08       delta(WSSR)/WSSR   : 0
+ delta(WSSR) : 0                 limit for stopping : 1e-05
+ lambda	  : 0.848453
+
+initial set of free parameter values
+
+aa              = 1
+bb              = 1
+/
+
+ Iteration 1
+ WSSR        : 1.40112e+08       delta(WSSR)/WSSR   : -3.85847
+ delta(WSSR) : -5.40618e+08      limit for stopping : 1e-05
+ lambda	  : 0.0848453
+
+resultant parameter values
+
+aa              = -4159.97
+bb              = 4028.97
+/
+
+ Iteration 2
+ WSSR        : 7.54927e+07       delta(WSSR)/WSSR   : -0.855972
+ delta(WSSR) : -6.46196e+07      limit for stopping : 1e-05
+ lambda	  : 0.00848453
+
+resultant parameter values
+
+aa              = -16955.4
+bb              = 12511.5
+/
+
+ Iteration 3
+ WSSR        : 7.54457e+07       delta(WSSR)/WSSR   : -0.000623127
+ delta(WSSR) : -47012.2          limit for stopping : 1e-05
+ lambda	  : 0.000848453
+
+resultant parameter values
+
+aa              = -17309.9
+bb              = 12746.4
+/
+
+ Iteration 4
+ WSSR        : 7.54457e+07       delta(WSSR)/WSSR   : -4.78216e-11
+ delta(WSSR) : -0.00360793       limit for stopping : 1e-05
+ lambda	  : 8.48453e-05
+
+resultant parameter values
+
+aa              = -17310
+bb              = 12746.5
+
+After 4 iterations the fit converged.
+final sum of squares of residuals : 7.54457e+07
+rel. change during last iteration : -4.78216e-11
+
+degrees of freedom    (FIT_NDF)                        : 298
+rms of residuals      (FIT_STDFIT) = sqrt(WSSR/ndf)    : 503.163
+variance of residuals (reduced chisquare) = WSSR/ndf   : 253173
+
+Final set of parameters            Asymptotic Standard Error
+=======================            ==========================
+
+aa              = -17310           +/- 823          (4.754%)
+bb              = 12746.5          +/- 545.7        (4.282%)
+
+
+correlation matrix of the fit parameters:
+
+               aa     bb     
+aa              1.000 
+bb             -0.999  1.000 
+
+
+ Iteration 0
+ WSSR        : 3.08678e+06       delta(WSSR)/WSSR   : 0
+ delta(WSSR) : 0                 limit for stopping : 1e-05
+ lambda	  : 0.848453
+
+initial set of free parameter values
+
+aaa             = 1
+bbb             = 1
+/
+
+ Iteration 1
+ WSSR        : 51615.8           delta(WSSR)/WSSR   : -58.8031
+ delta(WSSR) : -3.03517e+06      limit for stopping : 1e-05
+ lambda	  : 0.0848453
+
+resultant parameter values
+
+aaa             = -69.5385
+bbb             = 147.63
+/
+
+ Iteration 2
+ WSSR        : 12648.2           delta(WSSR)/WSSR   : -3.08087
+ delta(WSSR) : -38967.5          limit for stopping : 1e-05
+ lambda	  : 0.00848453
+
+resultant parameter values
+
+aaa             = -383.668
+bbb             = 355.991
+/
+
+ Iteration 3
+ WSSR        : 12619.9           delta(WSSR)/WSSR   : -0.002246
+ delta(WSSR) : -28.3443          limit for stopping : 1e-05
+ lambda	  : 0.000848453
+
+resultant parameter values
+
+aaa             = -392.373
+bbb             = 361.76
+/
+
+ Iteration 4
+ WSSR        : 12619.9           delta(WSSR)/WSSR   : -1.72365e-10
+ delta(WSSR) : -2.17523e-06      limit for stopping : 1e-05
+ lambda	  : 8.48453e-05
+
+resultant parameter values
+
+aaa             = -392.375
+bbb             = 361.762
+
+After 4 iterations the fit converged.
+final sum of squares of residuals : 12619.9
+rel. change during last iteration : -1.72365e-10
+
+degrees of freedom    (FIT_NDF)                        : 298
+rms of residuals      (FIT_STDFIT) = sqrt(WSSR/ndf)    : 6.50758
+variance of residuals (reduced chisquare) = WSSR/ndf   : 42.3486
+
+Final set of parameters            Asymptotic Standard Error
+=======================            ==========================
+
+aaa             = -392.375         +/- 10.64        (2.713%)
+bbb             = 361.762          +/- 7.058        (1.951%)
+
+
+correlation matrix of the fit parameters:
+
+               aaa    bbb    
+aaa             1.000 
+bbb            -0.999  1.000 
+
+
+ Iteration 0
+ WSSR        : 3.126e+06         delta(WSSR)/WSSR   : 0
+ delta(WSSR) : 0                 limit for stopping : 1e-05
+ lambda	  : 0.70713
+
+initial set of free parameter values
+
+aaaa            = 1
+bbbb            = 1
+/
+
+ Iteration 1
+ WSSR        : 69982.9           delta(WSSR)/WSSR   : -43.668
+ delta(WSSR) : -3.05601e+06      limit for stopping : 1e-05
+ lambda	  : 0.070713
+
+resultant parameter values
+
+aaaa            = -13.0902
+bbbb            = 101.869
+/
+
+ Iteration 2
+ WSSR        : 53138.8           delta(WSSR)/WSSR   : -0.316984
+ delta(WSSR) : -16844.1          limit for stopping : 1e-05
+ lambda	  : 0.0070713
+
+resultant parameter values
+
+aaaa            = -1248.87
+bbbb            = 111.795
+/
+
+ Iteration 3
+ WSSR        : 15887.3           delta(WSSR)/WSSR   : -2.34474
+ delta(WSSR) : -37251.5          limit for stopping : 1e-05
+ lambda	  : 0.00070713
+
+resultant parameter values
+
+aaaa            = -7008.48
+bbbb            = 157.274
+/
+
+ Iteration 4
+ WSSR        : 15806.2           delta(WSSR)/WSSR   : -0.00513056
+ delta(WSSR) : -81.0945          limit for stopping : 1e-05
+ lambda	  : 7.0713e-05
+
+resultant parameter values
+
+aaaa            = -7289.9
+bbbb            = 159.496
+/
+
+ Iteration 5
+ WSSR        : 15806.2           delta(WSSR)/WSSR   : -1.2249e-09
+ delta(WSSR) : -1.9361e-05       limit for stopping : 1e-05
+ lambda	  : 7.0713e-06
+
+resultant parameter values
+
+aaaa            = -7290.04
+bbbb            = 159.497
+
+After 5 iterations the fit converged.
+final sum of squares of residuals : 15806.2
+rel. change during last iteration : -1.2249e-09
+
+degrees of freedom    (FIT_NDF)                        : 298
+rms of residuals      (FIT_STDFIT) = sqrt(WSSR/ndf)    : 7.28292
+variance of residuals (reduced chisquare) = WSSR/ndf   : 53.0409
+
+Final set of parameters            Asymptotic Standard Error
+=======================            ==========================
+
+aaaa            = -7290.04         +/- 227.7        (3.124%)
+bbbb            = 159.497          +/- 1.847        (1.158%)
+
+
+correlation matrix of the fit parameters:
+
+               aaaa   bbbb   
+aaaa            1.000 
+bbbb           -0.974  1.000 
diff --git a/dokumentation/evolution3d/Xx4x4.gnuplot.script b/dokumentation/evolution3d/Xx4x4.gnuplot.script
new file mode 100644
index 0000000..e4a19e8
--- /dev/null
+++ b/dokumentation/evolution3d/Xx4x4.gnuplot.script
@@ -0,0 +1,26 @@
+set datafile separator ","
+f(x)=a*x+b
+fit f(x) "Xx4x4.csv" every ::1 using 1:5 via a,b
+set terminal png
+set xlabel 'regularity'
+set ylabel 'steps'
+set output "Xx4x4_regularity-vs-steps.png"
+plot     "20170926_3dFit_4x4x4_100times.csv" every ::1 using 1:5 title "4x4x4",     "20171013_3dFit_5x4x4_100times.csv" every ::1 using 1:5 title "5x4x4",     "20171005_3dFit_7x4x4_100times.csv" every ::1 using 1:5 title "7x4x4",     f(x) title "lin. fit" lc rgb "black"
+g(x)=aa*x+bb
+fit g(x) "Xx4x4.csv" every ::1 using 3:5 via aa,bb
+set xlabel 'improvement potential'
+set ylabel 'steps'
+set output "Xx4x4_improvement-vs-steps.png"
+plot     "20170926_3dFit_4x4x4_100times.csv" every ::1 using 3:5 title "4x4x4",     "20171013_3dFit_5x4x4_100times.csv" every ::1 using 3:5 title "5x4x4",     "20171005_3dFit_7x4x4_100times.csv" every ::1 using 3:5 title "7x4x4",     g(x) title "lin. fit" lc rgb "black"
+h(x)=aaa*x+bbb
+fit h(x) "Xx4x4.csv" every ::1 using 3:4 via aaa,bbb
+set xlabel 'improvement potential'
+set ylabel 'evolution error'
+set output "Xx4x4_improvement-vs-evo-error.png"
+plot     "20170926_3dFit_4x4x4_100times.csv" every ::1 using 3:4 title "4x4x4",     "20171013_3dFit_5x4x4_100times.csv" every ::1 using 3:4 title "5x4x4",     "20171005_3dFit_7x4x4_100times.csv" every ::1 using 3:4 title "7x4x4",     h(x) title "lin. fit" lc rgb "black"
+i(x)=aaaa*x+bbbb
+fit i(x) "Xx4x4.csv" every ::1 using 2:4 via aaaa,bbbb
+set xlabel 'variability'
+set ylabel 'evolution error'
+set output "Xx4x4_variability-vs-evo-error.png"
+plot     "20170926_3dFit_4x4x4_100times.csv" every ::1 using 2:4 title "4x4x4",     "20171013_3dFit_5x4x4_100times.csv" every ::1 using 2:4 title "5x4x4",     "20171005_3dFit_7x4x4_100times.csv" every ::1 using 2:4 title "7x4x4",     i(x) title "lin. fit" lc rgb "black"
diff --git a/dokumentation/evolution3d/Xx4x4_improvement-vs-evo-error.png b/dokumentation/evolution3d/Xx4x4_improvement-vs-evo-error.png
new file mode 100644
index 0000000..9c60ce2
Binary files /dev/null and b/dokumentation/evolution3d/Xx4x4_improvement-vs-evo-error.png differ
diff --git a/dokumentation/evolution3d/Xx4x4_improvement-vs-steps.png b/dokumentation/evolution3d/Xx4x4_improvement-vs-steps.png
new file mode 100644
index 0000000..e2ec49b
Binary files /dev/null and b/dokumentation/evolution3d/Xx4x4_improvement-vs-steps.png differ
diff --git a/dokumentation/evolution3d/Xx4x4_montage.png b/dokumentation/evolution3d/Xx4x4_montage.png
new file mode 100644
index 0000000..8ed973f
Binary files /dev/null and b/dokumentation/evolution3d/Xx4x4_montage.png differ
diff --git a/dokumentation/evolution3d/Xx4x4_regularity-vs-steps.png b/dokumentation/evolution3d/Xx4x4_regularity-vs-steps.png
new file mode 100644
index 0000000..36710a4
Binary files /dev/null and b/dokumentation/evolution3d/Xx4x4_regularity-vs-steps.png differ
diff --git a/dokumentation/evolution3d/Xx4x4_variability-vs-evo-error.png b/dokumentation/evolution3d/Xx4x4_variability-vs-evo-error.png
new file mode 100644
index 0000000..00c65ea
Binary files /dev/null and b/dokumentation/evolution3d/Xx4x4_variability-vs-evo-error.png differ
diff --git a/dokumentation/evolution3d/combine.sh b/dokumentation/evolution3d/combine.sh
index ea48c2f..e554650 100755
--- a/dokumentation/evolution3d/combine.sh
+++ b/dokumentation/evolution3d/combine.sh
@@ -14,10 +14,9 @@ set xlabel 'regularity'
 set ylabel 'steps'
 set output "${png}_regularity-vs-steps.png"
 plot \
-    "$2" every ::1 using 1:5 title "$2", \
-    "$3" every ::1 using 1:5 title "$3", \
-    "$4" every ::1 using 1:5 title "$4", \
-    "$5" every ::1 using 1:5 title "$5", \
+    "$2" every ::1 using 1:5 title "$3", \
+    "$4" every ::1 using 1:5 title "$5", \
+    "$6" every ::1 using 1:5 title "$7", \
     f(x) title "lin. fit" lc rgb "black"
 g(x)=aa*x+bb
 fit g(x) "$data" every ::1 using 3:5 via aa,bb
@@ -25,10 +24,9 @@ set xlabel 'improvement potential'
 set ylabel 'steps'
 set output "${png}_improvement-vs-steps.png"
 plot \
-    "$2" every ::1 using 3:5 title "$2", \
-    "$3" every ::1 using 3:5 title "$3", \
-    "$4" every ::1 using 3:5 title "$4", \
-    "$5" every ::1 using 3:5 title "$5", \
+    "$2" every ::1 using 3:5 title "$3", \
+    "$4" every ::1 using 3:5 title "$5", \
+    "$6" every ::1 using 3:5 title "$7", \
     g(x) title "lin. fit" lc rgb "black"
 h(x)=aaa*x+bbb
 fit h(x) "$data" every ::1 using 3:4 via aaa,bbb
@@ -36,10 +34,9 @@ set xlabel 'improvement potential'
 set ylabel 'evolution error'
 set output "${png}_improvement-vs-evo-error.png"
 plot \
-    "$2" every ::1 using 3:4 title "$2", \
-    "$3" every ::1 using 3:4 title "$3", \
-    "$4" every ::1 using 3:4 title "$4", \
-    "$5" every ::1 using 3:4 title "$5", \
+    "$2" every ::1 using 3:4 title "$3", \
+    "$4" every ::1 using 3:4 title "$5", \
+    "$6" every ::1 using 3:4 title "$7", \
     h(x) title "lin. fit" lc rgb "black"
 i(x)=aaaa*x+bbbb
 fit i(x) "$data" every ::1 using 2:4 via aaaa,bbbb
@@ -47,10 +44,9 @@ set xlabel 'variability'
 set ylabel 'evolution error'
 set output "${png}_variability-vs-evo-error.png"
 plot \
-    "$2" every ::1 using 2:4 title "$2", \
-    "$3" every ::1 using 2:4 title "$3", \
-    "$4" every ::1 using 2:4 title "$4", \
-    "$5" every ::1 using 2:4 title "$5", \
+    "$2" every ::1 using 2:4 title "$3", \
+    "$4" every ::1 using 2:4 title "$5", \
+    "$6" every ::1 using 2:4 title "$7", \
     i(x) title "lin. fit" lc rgb "black"
 EOD
 ) > "${png}.gnuplot.script"