how i find the euclidean distance between two data points x and y....?

hi, I need to find the euclidean distance between two data points x and y from the Rn space is calculated as follows :

in matlab how i do programming code....???Looking for your reply.

Answer 1

[Image Analyst]

Try norm() or hypot(), or simply sqrt().

But you don't have to do it manually you know. There are functions like kmeans() and knnsearch() in the Statistics and Machine Learning Toolbox.

[moath alnajjar]

Thank you for your answer . Thats right the function it is the same Kmeans() but i do not know much for matlab codeing

[Image Analyst]

This might help: http://www.mathworks.com/matlabcentral/answers/8026-best-way-s-to-master-matlab or else just run through the examples given for kmeans in the help or online.