z 2d array of data (probabilities ranging from 0 to 1):

[[ 0.7408374   0.70879138  0.7738199   0.77142682  0.72016586  0.71599751
   0.7086722   0.72270568  0.72295552  0.74457341  0.77025036  0.76845488
   0.7791086   0.79728581  0.76994797  0.7527388   0.7284317   0.69778262
   0.68385122  0.66576385  0.67441141  0.65565699  0.65693638  0.63664756
   0.6359483   0.61509646  0.63139851  0.5984712   0.59625836  0.61075938
   0.60419822  0.66924375  0.63870847  0.75956038  0.57300909  0.56456296
   0.72154243  1.          1.          1.          0.52714997  0.50031681
   1.          0.50031681  0.470255  ]
 [ 0.51077859  0.45028529  0.57303967  0.56852226  0.47175691  0.46388831
   0.45006032  0.47655132  0.47702296  0.51783106  0.56630144  0.56291212
   0.58302316  0.61733628  0.56573063  0.53324486  0.48736034  0.42950405
   0.40320574  0.36906219  0.3853862   0.34998347  0.35239858  0.31409936
   0.31277936  0.27341733  0.30419071  0.24203382  0.23785664  0.26523023
   0.25284472  0.37563121  0.31798974  0.54612197  0.19396896  0.1780252
   0.47435546  1.          1.          1.          0.10740068  0.05674771
   1.          0.05674771  0.        ]]

x array of data:

5.050477546642621070e-39
1.000710445319073997e+19
2.001420890638147994e+19
3.002131335957222195e+19
4.002841781276295987e+19
5.003552226595369779e+19
6.004262671914444390e+19
7.004973117233518182e+19
8.005683562552591974e+19
9.006394007871666586e+19
1.000710445319073956e+20
1.100781489850981417e+20
1.200852534382888878e+20
1.300923578914796175e+20
1.400994623446703636e+20
1.501065667978610934e+20
1.601136712510518395e+20
1.701207757042425856e+20
1.801278801574333317e+20
1.901349846106240451e+20

y array of data:
-1.048274936538721482e-02
2.141755141349014901e-01
4.388337776351901587e-01
6.634920411354788827e-01
8.881503046357676068e-01
1.112808568136056220e+00
1.337466831636344944e+00
1.562125095136633668e+00
1.786783358636922392e+00
2.011441622137211116e+00
2.236099885637499618e+00
2.460758149137788564e+00
2.685416412638077066e+00
2.910074676138366012e+00
3.134732939638654514e+00
3.359391203138943460e+00
3.584049466639231962e+00
3.808707730139520464e+00
4.033365993639809410e+00
4.258024257140098356e+00