How to combine three defined feature vector

Hi Friends. I am doing a project on CBIR .I extracted a feature vector from RGB image. I got 3 feature vector for R G B separately. I want to merge 3 Feature vector into a single feature vector. Please give matlab code example and the Feature vector Size is 96

Answer 1

[Azzi Abdelmalek]

out=[a;b;c]

[Shahul Basha]

using this feature vector how to sorting the images