Removing Duplicate Elements from Array sets

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Ruchit Pathak
Ruchit Pathak 2013-5-13
I am constructing a genetic algorithm for finding optimal solution of a problem. The population used consists of three controller parameters (Kp Ki Kd)and fitness value. If the values of [Kp Ki Kd] are repeated the chances of finding a wrong solution due to premature conversion is high. So i want to check if there are any duplicate entries for [Kp Ki Kd] and remove them.
NOTE: I only want to remove if all the three [Kp Ki Kd] are same.

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Andrei Bobrov
Andrei Bobrov 2013-5-13
Let your array: K = [Kp Ki Kd]
Knew = K(any(diff(K,1,2),2),:);

更多回答（1 个）

David Sanchez
David Sanchez 2013-5-13
Use unique command:
M = [1 2 3; 4 5 6;1 2 3; 1 2 3; 6 7 8];
A = unique(M,'rows')

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