Removed abstract decorator from 'randomize()' for initial conditions.

DG_Approximation.py

@@ -16,8 +16,20 @@ TODO: Contemplate saving training data for each IC separately
 TODO: Contemplate removing TrainingDataGenerator class
 TODO: Ask why no fine mesh is used for calculate_coarse_projection()
 TODO: Contemplate keeping Theoretical threshold over all degrees (only p)
+TODO: Contemplate reasoning behind Adjusted-Outer-Fence method
+TODO: Discuss why indexed_coeffs are largest absolute value instead of
+    mean for Boxplot TC
+TODO: Discuss why overlapping cells are only introduced for one adjacent
+    fold (right neighbour, except for last fold)
+TODO: Discuss whether quartiles do correspond to Thea's calculation
+TODO: Discuss that quartiles do not take overlapping cells into account
+TODO: Contemplate restricting number of overlapping cells to half of fold
+    length
+TODO: Discuss if folds are valid for all possible num_grid_cells/fold_len
+TODO: Contemplate combining get_cells() and _get_cells()
 
 Urgent:
+TODO: Remove abstract decorator from 'randomize()' for ICs -> Done
 TODO: Change heaviside random to uniform(-100, 100)
 TODO: Adjust Heaviside to have non-symmetric values (left- and right_value)
 TODO: Rename 'adjustment' to 'shift'

Initial_Condition.py

@@ -65,7 +65,6 @@ class InitialCondition(ABC):
         """
         pass
 
-    @abstractmethod
     def randomize(self, config):
         """Sets all non-determined instance variables to random value.