Asked by bala k
on 9 Mar 2011

Euclidean distance of two vector. I have the two image values G=[1x72] and G1 = [1x72]. I need to calculate the two image distance value.

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Answer by Jan Simon
on 9 Mar 2011

Accepted answer

Do you know the definition of the Euclidean distance?

G = rand(1, 72); G2 = rand(1, 72); D = sqrt(sum((G - G2) .^ 2));

A more efficient method, but this matters only for much larger vectors:

V = G - G2; D = sqrt(V * V');

Or a Matlab command:

D = norm(G - G2);

A good ide is to search in the documentation before asking in MATLAB Answers:

docsearch euclidean

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