replace_chromosome.m ( File view )

  • By chghzz 2013-09-27
  • View(s):101
  • Download(s):5
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			function f  = replace_chromosome(intermediate_chromosome,pro,pop)
%% replace_chromosome(intermediate_chromosome,pro,pop)
% This function replaces the chromosomes based on rank and crowding
% distance. Initially until the population size is reached each front is
% added one by one until addition of a complete front which results in
% exceeding the population size. At this point the chromosomes in that
% front is added subsequently to the population based on crowding distance.

[N,V] = size(intermediate_chromosome);
switch pro
        case 1
        M = 2;
        V = 6;
    case 2
        M = 3;
        V = 12;
end

% Get the index for the population sort based on the rank
[temp,index] = sort(intermediate_chromosome(:,M + V + 1));

% Now sort the individuals based on the index
for i = 1 : N
    sorted_chromosome(i,:) = intermediate_chromosome(index(i),:);
end

% Find the maximum rank in the current population
max_rank = max(intermediate_chromosome(:,M + V + 1));

% Start adding each front based on rank and crowing distance until the
% whole population is filled.
previous_index = 0;
for i = 1 : max_rank
    current_index = max(find(sorted_chromosome(:,M + V + 1) == i));
    if current_index > pop
        remaining = pop - previous_index;
        temp_pop = ...
  
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Name Size Date
MOEA-NSGA-II0.00 B05-06-13|16:57
crowding_distance.m1.24 kB07-03-06|16:14
evaluate_objective.m970.00 B13-11-05|23:37
genetic_operator.m3.43 kB07-03-06|16:11
html0.00 B19-03-13|08:15
crowding_distance.html5.01 kB07-03-06|16:14
genetic_operator.html10.05 kB07-03-06|16:11
initialize_variables.html4.33 kB07-03-06|16:08
non_domination_sort_mod.html11.44 kB07-03-06|16:01
nsga_2.html13.43 kB07-03-06|15:59
replace_chromosome.html6.20 kB07-03-06|16:05
tournament_selection.html6.04 kB07-03-06|16:13
initialize_variables.m966.00 B07-03-06|16:08
non_domination_sort_mod.m4.02 kB07-03-06|16:01
nsga_2.m4.56 kB07-03-06|16:48
NSGA_2.pdf364.92 kB07-03-06|16:46
plot_objective.m476.00 B13-11-05|13:51
replace_chromosome.m1.93 kB07-03-06|16:05
solution.txt31.64 kB18-03-13|21:13
tournament_selection.m1.70 kB07-03-06|16:13
...
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replace_chromosome.m (368.17 kB)

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