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and exist a matlab function that make this??

HI all. I would want to know if exist a function that make this search or exist a way to make this without loop. thanks all. bye

wow visigoth thank you so much. so i do this test as: x=[1 2 3 1 1 4]; if (unique(x)~=x) error('There are equal elements'); end its good???

thank you for answer. i explain; for example i have this array [1 2 1 3 4] and i test it if there are equal elements. in this case there are 2 elements 1 and then i do anything. all that i must do without loop statements. isequal its good???

i all. i would want to know if exist a matlab function that test array elements if are equal. thanks