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Find closest centroids

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neingeist 2014-11-17 23:01:44 +01:00
parent 229023b69c
commit f8c0087ff3
1 changed files with 13 additions and 4 deletions
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13
ex7/findClosestCentroids.m
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@ -21,11 +21,20 @@ idx = zeros(size(X,1), 1);
% Note: You can use a for-loop over the examples to compute this.
%
for i = 1:size(X,1)
idx(i) = 0; % unassigned yet
best_distance = Inf;
for k = 1:K
distance = norm(X(i,:) - centroids(k,:))^2;
if distance < best_distance
idx(i) = k;
best_distance = distance;
end
end
end
% =============================================================