技术问答matlab涓璳means绠楁硶鎬庝箞瀹炵幇 - 扬州沐宇科技

鍦∕ATLAB涓紝鍙互浣跨敤kmeans鍑芥暟鏉ュ疄鐜発-means绠楁硶銆備互涓嬫槸浣跨敤kmeans鍑芥暟鐨勭ず渚嬩唬鐮侊細

% 鐢熸垚鏁版嵁
data = rand(100, 2);
% 璁剧疆鑱氱被鐨勪釜鏁?/span>
k = 3;
% 浣跨敤k-means绠楁硶杩涜鑱氱被
[idx, centroids] = kmeans(data, k);
% 缁樺埗鑱氱被缁撴灉
figure;
gscatter(data(:,1), data(:,2), idx);
hold on;
plot(centroids(:,1), centroids(:,2), 'kx', 'MarkerSize', 10, 'LineWidth', 2);
hold off;

鍦ㄤ笂杩颁唬鐮佷腑锛岄鍏堢敓鎴愪簡100涓簩缁撮殢鏈烘暟鎹偣銆傜劧鍚庝娇鐢?code>kmeans鍑芥暟瀵规暟鎹繘琛岃仛绫伙紝鎸囧畾鑱氱被鐨勪釜鏁颁负3銆?code>kmeans鍑芥暟杩斿洖浜嗘瘡涓暟鎹偣鐨勮仛绫荤储寮?code>idx鍜岃仛绫讳腑蹇冪偣centroids銆傛渶鍚庯紝浣跨敤gscatter鍑芥暟灏嗘暟鎹偣鎸夌収鑱氱被缁撴灉杩涜缁樺埗锛屽苟鐢ㄩ粦鑹茬殑x鏍囪琛ㄧず鑱氱被涓績鐐广€?/p>

闇€瑕佹敞鎰忕殑鏄紝kmeans鍑芥暟杩樻湁鍏朵粬鍙€夊弬鏁帮紝鍙互鐢ㄤ簬璁剧疆鍒濆鑱氱被涓績鐨勬柟寮忋€佹渶澶ц凯浠ｆ鏁扮瓑銆備綘鍙互鍙傝€僊ATLAB鐨勫畼鏂规枃妗ｆ潵浜嗚В鏇村鍏充簬kmeans鍑芥暟鐨勪娇鐢ㄦ柟娉曘€?/p>