Removing Duplicate Elements from Array sets

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.

Answer 1

[Andrei Bobrov]

Let your array: K = [Kp Ki Kd]

Knew = K(any(diff(K,1,2),2),:);

Answer 2

[David Sanchez]

Use unique command:

M = [1 2 3; 4 5 6;1 2 3; 1 2 3; 6 7 8];
A = unique(M,'rows')