Select an element of variable. HELP.

i have centroids

A = [78 124;209 125];
B = [80 127;212 134];

i want to select the element in B which is closest to an element in A. for example B1 is the element of B that closest to A(1,:) and B2 is the element of B that closest to A(2,:)

thx sorry for my poor question, im new to matlab.

Answer 1

[Rick Rosson]

   N = numel(B);
   x = zeros(N,1);
   for k = 1:N
       x(k) = min(abs(A(:) - B(k)));
   end