Adjust weights for MOEA/D

Idea:

Updating the weights of the evolutionary population by contrasting it with a well-maintained archive set of non-dominated solutions

Results:

Solution sets obtained by AdaW and other 4 decomposition-based algorithms on problems with various Pareto front shapes.

On the inverted simplex Pareto front (IDTLZ1)

On the disconnected Pareto front (DTLZ7)

On the degenerate Pareto front (DTLZ5)

On the scaled Pareto front (SCH2)

On the high-dimensional Pareto front (10-objective IDTLZ1)