Removed completed TODOs.

DG_Approximation.py

@@ -8,10 +8,6 @@ TODO: Contemplate using Seaborn instead of matplotlib
 TODO: Double-check everything!
 TODO: Replace loops with list comprehension if feasible
 TODO: Combine initial projection and approx solution somehow
-TODO: Contemplate erasing inv_mass-matrix as it is identity
-    -> Done (No, because could be problematic for other functions)
-TODO: Investigate why we need inverse mass matrix for initial projection, \
-    but not A and B
 TODO: Investigate why there are no weights in approx calc
 TODO: Implement argument check for unpacking of all configs
 TODO: Contemplate verbose = show_plot?
@@ -23,14 +19,12 @@ TODO: Write documentation for all methods
 TODO: Add a verbose option
 TODO: Check whether consistency is given/possible for each class instance
 
-TODO: Remove unnecessary code in plot methods -> Done
 TODO: Make sure all instance variables are actually necessary
 TODO: Make sure instance variables are only set in __init__()
 TODO: Contemplate moving plots to pertaining files
-TODO: Discuss details plot!
-TODO: Fix typo in Vectors_of_Polynomials -> Done
-TODO: Replace symbol 'x' with 'z' for Alpert's wavelet -> Done
 TODO: Check time efficiency of details plot
+TODO: Contemplate moving A and B to Vectors_of_Polynomials
+TODO: Combine plot for coarse and fine approximation for wavelet detectors
 
 """
 import numpy as np