際際滷

際際滷Share a Scribd company logo
MOEA/D
Qingfu Zhang and Hui Li
Background 1
Tchebycheff distance
Background 1
Tchebycheff approach
Background 1
Tchebycheff approach
Heaven
Background 1
Tchebycheff approach
Background 2 ~ weighted approach
Background 2 ~ weighted approach
I am not sure how
then generate these
contours!
Background 3 ~ core concept
 neighborhood - defined based on the
distances
 solutions to two neighboring subproblems
should be very similar
 subproblem is optimized in MOEA/D by using
its neighboring subproblems
Initialization
Initialization
Randomly generated points
Initialization
Randomly generated points
Starts out as 1e30
Initialization
Randomly generated points
Randomly assigned weights
Starts out as 1e30
Initialization
Randomly generated points
Randomly assigned weights
Starts out as 1e30
Initialization
Randomly generated points
Randomly assigned weights
Starts out as 1e30
Use only weights
Initialization
Randomly generated points
Randomly assigned weights
Starts out as 1e30
Use only weights
Use the distance matrix to
find T neighbors
Main Loop
Main Loop
Main Loop
Main Loop

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