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A and B are coupled vectors. How can I get from A->A_new B-> B_new?

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Amelos
Amelos 2016-11-17
评论： Amelos 2016-11-18
A = [0 1 2 3 4 8 3 4 5];
B = [0.1 0.2 0.2 0.3 0.4 0.2 0.3 0.5 0.5];
A_new = [0 1 2 3 4 8 5];
B_new = [0.1 0.2 0.2 0.6 0.9 0.2 0.5];

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Guillaume
Guillaume 2016-11-17
[A_new, ~, columns] = unique(A, 'stable') %stable optional if ordering does not matter
B_new = accumarray(columns, B).'

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