{"id":9146,"date":"2024-05-11T10:01:01","date_gmt":"2024-05-11T02:01:01","guid":{"rendered":""},"modified":"2024-05-11T10:01:01","modified_gmt":"2024-05-11T02:01:01","slug":"\u56fe\u89e3\u673a\u5668\u5b66\u4e60-Huber\u635f\u5931\u6700\u5c0f\u5316\u5b66\u4e60-matlab\u6e90\u7801\u53ca\u7ed3\u679c","status":"publish","type":"post","link":"https:\/\/mushiming.com\/9146.html","title":{"rendered":"\u56fe\u89e3\u673a\u5668\u5b66\u4e60-Huber\u635f\u5931\u6700\u5c0f\u5316\u5b66\u4e60-matlab\u6e90\u7801\u53ca\u7ed3\u679c"},"content":{"rendered":"<p>\u9c81\u68d2\u8fd9\u4e2a\u8bcd\u7b2c\u4e00\u6b21\u542c\u662f\u5728\u5b66\u4e60c\u8bed\u8a00\u7684\u65f6\u5019\uff0c\u90a3\u65f6\u5019\u8fd8\u5b66\u4e86\u4e00\u4e2a\u5065\u58ee\u6027\uff0c\u4e24\u4e2a\u8bcd\u4e0d\u77e5\u9053\u4e3a\u4ec0\u4e48\u89c9\u5f97\u5f88\u7c97\u9c81\uff0c\u8ddf\u7a0b\u5e8f\u6ca1\u5565\u5173\u7cfb\uff0c\u611f\u89c9\u662f\u51d1\u4e0a\u6765\u7684\u6027\u8d28\uff0c\u4e0b\u9762\u5c31\u770b\u770b\u5728\u673a\u5668\u5b66\u4e60\u91cc\u9762\u7684\u9c81\u68d2\u662f\u4e2a\u5565\u4e1c\u897f\uff1f<\/p>\n<p>\u6700\u5c0f\u4e8c\u4e58\u6cd5\u5b66\u4e60\u7684\u8fc7\u7a0b\u4e2d\u5982\u679c\u6709\u5f02\u5e38\u6570\u636e\uff08\u4e0d\u53ef\u907f\u514d\u5730\uff09\u51fa\u73b0\u7684\u65f6\u5019\uff0c\u4f1a\u4f7f\u66f2\u7ebf\u7684\u62df\u5408\u7a0b\u5ea6\u5927\u6253\u6298\u6263\uff0c\u8fd9\u65f6\u5019\u63d0\u51fa\u9c81\u68d2\u7684\u89c2\u70b9\u5c31\u662f\uff1a\u5728\u7edf\u8ba1\u5b66\u9886\u57df\u548c\u673a\u5668\u5b66\u4e60\u9886\u57df\uff0c\u5bf9\u5f02\u5e38\u6570\u636e\u4e5f\u80fd\u4fdd\u6301\u7a33\u5b9a\uff0c\u53ef\u9760\u7684\u6027\u8d28\uff0c\u79f0\u4e3a\u9c81\u68d2\u6027\u3002<\/p>\n<p>L1\u635f\u5931\u6700\u5c0f\u5316\u5b66\u4e60\uff1a\uff08L1\u635f\u5931\u5bf9\u6b8b\u5dee\u589e\u5e45\u52a0\u4ee5\u6291\u5236\u7684\u5b66\u4e60\u7b97\u6cd5\uff09-LA=Least Absolute-\u6700\u5c0f\u7edd\u5bf9\u503c\u504f\u5dee\u5b66\u4e60-----\u597d\u591a\u540d\u5b57<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.mushiming.top\/app\/mushiming_com\/58aa248f3eb1457089989c06e276649a.jpg\" =\"\" =\"\" alt=\"\u56fe\u89e3\u673a\u5668\u5b66\u4e60-Huber\u635f\u5931\u6700\u5c0f\u5316\u5b66\u4e60-matlab\u6e90\u7801\u53ca\u7ed3\u679c (https:\/\/mushiming.com\/)  \u7b2c1\u5f20\" title=\"\u56fe\u89e3\u673a\u5668\u5b66\u4e60-Huber\u635f\u5931\u6700\u5c0f\u5316\u5b66\u4e60-matlab\u6e90\u7801\u53ca\u7ed3\u679c  \u7b2c1\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.mushiming.top\/app\/mushiming_com\/f0cdd3fd1f154612a10cd804277e09ab.jpg\" =\"\" =\"\" alt=\"\u56fe\u89e3\u673a\u5668\u5b66\u4e60-Huber\u635f\u5931\u6700\u5c0f\u5316\u5b66\u4e60-matlab\u6e90\u7801\u53ca\u7ed3\u679c (https:\/\/mushiming.com\/)  \u7b2c2\u5f20\" title=\"\u56fe\u89e3\u673a\u5668\u5b66\u4e60-Huber\u635f\u5931\u6700\u5c0f\u5316\u5b66\u4e60-matlab\u6e90\u7801\u53ca\u7ed3\u679c  \u7b2c2\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p>Huber(\u6709\u6548\u6027L2\u4e0e\u9c81\u68d2\u6027L1\u7ed3\u5408\u7684\u5b66\u4e60\u65b9\u6cd5\uff09<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.mushiming.top\/app\/mushiming_com\/df610d39d1bd4b3886391f10cc6e6242.jpg\" =\"\" =\"\" alt=\"\u56fe\u89e3\u673a\u5668\u5b66\u4e60-Huber\u635f\u5931\u6700\u5c0f\u5316\u5b66\u4e60-matlab\u6e90\u7801\u53ca\u7ed3\u679c (https:\/\/mushiming.com\/)  \u7b2c3\u5f20\" title=\"\u56fe\u89e3\u673a\u5668\u5b66\u4e60-Huber\u635f\u5931\u6700\u5c0f\u5316\u5b66\u4e60-matlab\u6e90\u7801\u53ca\u7ed3\u679c  \u7b2c3\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.mushiming.top\/app\/mushiming_com\/c5afe66790c44f7cb12f2b8075533aff.jpg\" =\"\" =\"\" alt=\"\u56fe\u89e3\u673a\u5668\u5b66\u4e60-Huber\u635f\u5931\u6700\u5c0f\u5316\u5b66\u4e60-matlab\u6e90\u7801\u53ca\u7ed3\u679c (https:\/\/mushiming.com\/)  \u7b2c4\u5f20\" title=\"\u56fe\u89e3\u673a\u5668\u5b66\u4e60-Huber\u635f\u5931\u6700\u5c0f\u5316\u5b66\u4e60-matlab\u6e90\u7801\u53ca\u7ed3\u679c  \u7b2c4\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p>\u5982\u679c\u6b8b\u5dee\u7684\u7edd\u5bf9\u503c\u5c0f\u4e8e\u9600\u503c\uff0c\u4e0a\u5f0f\u53d8\u4e3aL2\u635f\u5931\uff1b\u5982\u679c\u6b8b\u5dee\u7684\u7edd\u5bf9\u503c\u5927\u4e8e\u9600\u503c\u3002\u4e0a\u5f0f\u5c31\u53d8\u4e3aL1\u635f\u5931\u3002\u4e3a\u4e86\u4e0eL2\u635f\u5931\u5e73\u6ed1\u7684\u8fde\u63a5\uff0c\u5728L1\u635f\u5931\u4e2d\u51cf\u53bb\u5e38\u6570<img decoding=\"async\" src=\"https:\/\/private.codecogs.com\/gif.latex\" =\"\" =\"\\eta ^{2}\/2\" alt=\"\u56fe\u89e3\u673a\u5668\u5b66\u4e60-Huber\u635f\u5931\u6700\u5c0f\u5316\u5b66\u4e60-matlab\u6e90\u7801\u53ca\u7ed3\u679c (https:\/\/mushiming.com\/)  \u7b2c5\u5f20\" title=\"\u56fe\u89e3\u673a\u5668\u5b66\u4e60-Huber\u635f\u5931\u6700\u5c0f\u5316\u5b66\u4e60-matlab\u6e90\u7801\u53ca\u7ed3\u679c  \u7b2c5\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" >\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.mushiming.top\/app\/mushiming_com\/1aae095003cd4b778ada6955cbb15a9c.jpg\" =\"\" =\"\" alt=\"\u56fe\u89e3\u673a\u5668\u5b66\u4e60-Huber\u635f\u5931\u6700\u5c0f\u5316\u5b66\u4e60-matlab\u6e90\u7801\u53ca\u7ed3\u679c (https:\/\/mushiming.com\/)  \u7b2c6\u5f20\" title=\"\u56fe\u89e3\u673a\u5668\u5b66\u4e60-Huber\u635f\u5931\u6700\u5c0f\u5316\u5b66\u4e60-matlab\u6e90\u7801\u53ca\u7ed3\u679c  \u7b2c6\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.mushiming.top\/app\/mushiming_com\/857e203c229d431b9845c5fad880b5ee.jpg\" =\"\" =\"\" alt=\"\u56fe\u89e3\u673a\u5668\u5b66\u4e60-Huber\u635f\u5931\u6700\u5c0f\u5316\u5b66\u4e60-matlab\u6e90\u7801\u53ca\u7ed3\u679c (https:\/\/mushiming.com\/)  \u7b2c7\u5f20\" title=\"\u56fe\u89e3\u673a\u5668\u5b66\u4e60-Huber\u635f\u5931\u6700\u5c0f\u5316\u5b66\u4e60-matlab\u6e90\u7801\u53ca\u7ed3\u679c  \u7b2c7\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.mushiming.top\/app\/mushiming_com\/643b6a9661f542faa24bd2723e13fef4.jpg\" =\"\" =\"\" alt=\"\u56fe\u89e3\u673a\u5668\u5b66\u4e60-Huber\u635f\u5931\u6700\u5c0f\u5316\u5b66\u4e60-matlab\u6e90\u7801\u53ca\u7ed3\u679c (https:\/\/mushiming.com\/)  \u7b2c8\u5f20\" title=\"\u56fe\u89e3\u673a\u5668\u5b66\u4e60-Huber\u635f\u5931\u6700\u5c0f\u5316\u5b66\u4e60-matlab\u6e90\u7801\u53ca\u7ed3\u679c  \u7b2c8\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.mushiming.top\/app\/mushiming_com\/440c3e60f47b4fb8959155a39313d595.jpg\" =\"\" =\"\" alt=\"\u56fe\u89e3\u673a\u5668\u5b66\u4e60-Huber\u635f\u5931\u6700\u5c0f\u5316\u5b66\u4e60-matlab\u6e90\u7801\u53ca\u7ed3\u679c (https:\/\/mushiming.com\/)  \u7b2c9\u5f20\" title=\"\u56fe\u89e3\u673a\u5668\u5b66\u4e60-Huber\u635f\u5931\u6700\u5c0f\u5316\u5b66\u4e60-matlab\u6e90\u7801\u53ca\u7ed3\u679c  \u7b2c9\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p>\u7b2c\u4e09\u6b65\uff1a\u8ba1\u7b97\u7ec8\u7ed3\u8ba1\u6570\u3002\u6309Tukey\u7406\u8bba\uff0c\u91c7\u53d6\u6539\u8fdb\u63aa\u65bd\u524d\u540e\u4ea7\u54c1\u5408\u683c\u7387\u82e5\u53d1\u751f\u663e\u8457\u53d8\u5316\uff0c\u5219A\uff0cB\u4e24\u7cfb\u5217\u7684\u6570\u636e\u5c31\u4e0d\u4f1a\u5b8c\u5168\u91cd\u53e0\uff0c\u672a\u91cd\u53e0\u7684\u6570\u636e\u4e2a\u6570\u5373\u4e3a\u7ec8\u7ed3\u8ba1\u6570\u3002\u5206\u522b\u4ece\u9876\u7aef\u548c\u5e95\u7aef\u8ba1\u6570\u672a\u91cd\u53e0\u7684\u6570\u636e\u4e2a\u6570\uff0c\u79f0\u4e4b\u4e3a\u9876\u7aef\u7ec8\u7ed3\u8ba1\u6570\u548c\u5e95\u7aef\u7ec8\u7ed3\u8ba1\u6570\uff0c\u4e24\u7aef\u7ec8\u7ed3\u8ba1\u6570\u4e4b\u548c\u5373\u4e3a\u603b\u7ec8\u7ed3\u8ba1\u6570\u3002\u82e5\u67d0\u4e00\u7cfb\u5217\u7684\u6570\u636e\u533a\u95f4\u88ab\u53e6\u4e00\u6bd4\u5bf9\u7cfb\u5217\u7684\u6570\u636e\u533a\u95f4\u5168\u90e8\u5305\u542b\uff0c\u5219\u603b\u7ec8\u7ed3\u8ba1\u6570\u8ba1\u4e3a\u96f6\uff08\u5982\u672c\u4f8b\u6240\u793a\uff09\uff1b\u82e5\u4e24\u7cfb\u5217\u7684\u6570\u636e\u533a\u95f4\u4e0d\u5b58\u5728\u4e00\u4e2a\u7cfb\u5217\u5b8c\u5168\u5305\u542b\u53e6\u4e00\u4e2a\u7cfb\u5217\u7684\u72b6\u51b5\uff0c\u5219\u8ba1\u6570\u65b9\u6cd5\u4e3a\uff1a\u4ece\u5df2\u5408\u5e76\u6392\u5e8f\u7684\u6574\u4e2a\u6570\u636e\u5217\u7684\u9876\u7aef\u7b2c\u4e00\u4e2a\u6570\u636e\u5f00\u59cb\u6570\u8d77\uff0c\u4e00\u76f4\u6570\u5230\u5e8f\u5217\u6807\u8bb0\u53d8\u66f4\u4e3a\u6b62\uff0c\u8fde\u7eed\u7684\u540c\u7cfb\u5217\u6570\u636e\u7684\u4e2a\u6570\u4e3a\u9876\u7aef\u7ec8\u7ed3\u8ba1\u6570\uff1b\u82e5\u5728\u6570\u636e\u7cfb\u5217\u53d8\u66f4\u65f6\uff0c\u5bf9\u5e94\u7684\u4e24\u4e2a\u6570\u636e\u76f8\u7b49\uff0c\u5219\u53d8\u66f4\u65f6\u7684\u90a3\u4e2a\u6570\u636e\u63091\/2\u8ba1\u6570\u3002\u540c\u7406\uff0c\u4ece\u5e95\u7aef\u7b2c\u4e00\u4e2a\u6570\u636e\u5f00\u59cb\u6570\u8d77\uff0c\u4e00\u76f4\u5230\u5e8f\u5217\u6807\u8bb0\u53d8\u66f4\u4e3a\u6b62\uff0c\u53ef\u5f97\u5e95\u7aef\u7ec8\u7ed3\u8ba1\u6570\u503c\u3002\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.mushiming.top\/app\/mushiming_com\/64b35c66bb1749edb7295cec3e3a4ff0.jpg\" =\"\" =\"\" alt=\"\u56fe\u89e3\u673a\u5668\u5b66\u4e60-Huber\u635f\u5931\u6700\u5c0f\u5316\u5b66\u4e60-matlab\u6e90\u7801\u53ca\u7ed3\u679c (https:\/\/mushiming.com\/)  \u7b2c10\u5f20\" title=\"\u56fe\u89e3\u673a\u5668\u5b66\u4e60-Huber\u635f\u5931\u6700\u5c0f\u5316\u5b66\u4e60-matlab\u6e90\u7801\u53ca\u7ed3\u679c  \u7b2c10\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p>\u7b2c\u56db\u6b65\uff1a\u5c06\u6240\u5f97\u7684\u7ec8\u7ed3\u8ba1\u6570\u503c\u4e0eTukey\u68c0\u9a8c\u7684\u67d0\u7f6e\u4fe1\u6c34\u5e73\u4e0b\u7ec8\u7ed3\u8ba1\u6570\u7684\u4e34\u754c\u503c\u6bd4\u8f83\uff0c\u5982\u679c\u6240\u5f97\u7684\u7ec8\u7ed3\u8ba1\u6570\u503c\u5927\u4e8e\u8be5\u4e34\u754c\u503c\uff0c\u5219\u8868\u660e\u91c7\u53d6\u6539\u8fdb\u63aa\u65bd\u540e\uff0c\u5728\u8be5\u7f6e\u4fe1\u6c34\u5e73\u4e0b\u53ef\u4ee5\u8ba4\u4e3a\u4ea7\u54c1\u5408\u683c\u7387\u53d1\u751f\u4e86\u53d8\u5316\u3002\uff08\u4e0b\u56fe\u4e2d\u7684\u663e\u8457\u6c34\u5e73\u9488\u5bf9\u7684\u53cc\u8fb9\u8ba1\u6570\uff08Two-Sided\uff09\uff0c\u82e5\u5355\u8fb9\u8ba1\u6570(One-Sided)\u5219\u5bf9\u5e94\u7684\u663e\u8457\u6c34\u5e73\u4e3a\u56fe\u793a\u7684\u4e00\u534a\uff0c\u5373\u53cc\u8fb9\u8ba1\u6570\u65f6\u663e\u8457\u6c34\u5e735%\u5bf9\u5e94\u7684\u7ec8\u7ed3\u8ba1\u6570\u4e34\u754c\u503c\u4e0e\u5355\u8fb9\u8ba1\u6570\u65f6\u663e\u8457\u6c34\u5e73\u4e3a2.5%\u5bf9\u5e94\u7684\u7ec8\u7ed3\u8ba1\u6570\u4e34\u754c\u503c\u662f\u4e00\u6837\u7684\uff09<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.mushiming.top\/app\/mushiming_com\/77ce529399f246958f82e7fa8f1f951b.jpg\" =\"\" =\"\" alt=\"\u56fe\u89e3\u673a\u5668\u5b66\u4e60-Huber\u635f\u5931\u6700\u5c0f\u5316\u5b66\u4e60-matlab\u6e90\u7801\u53ca\u7ed3\u679c (https:\/\/mushiming.com\/)  \u7b2c11\u5f20\" title=\"\u56fe\u89e3\u673a\u5668\u5b66\u4e60-Huber\u635f\u5931\u6700\u5c0f\u5316\u5b66\u4e60-matlab\u6e90\u7801\u53ca\u7ed3\u679c  \u7b2c11\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p>\u7b2c\u4e94\u6b65\uff1a\u7ed3\u8bba\u3002\u7ec8\u7ed3\u8ba1\u6570EC=0\uff0c\u800c\u6839\u636e\u4e0a\u8868\u53ef\u4ee5\u770b\u51fa\uff0c\u572895%\u7684\u7f6e\u4fe1\u6c34\u5e73\uff08\u4e5f\u5c31\u662f5%\u7684\u663e\u8457\u6c34\u5e73\uff09\u4e0b\uff0c\u7ec8\u7ed3\u8ba1\u6570\u7684\u4e34\u754c\u503c\u4e3a7\u3002\u6240\u4ee5\u572895%\u7684\u7f6e\u4fe1\u6c34\u5e73\u4e0b\uff0c\u4e0d\u80fd\u8ba4\u4e3a\u91c7\u53d6\u63aa\u65bd\u540e\uff0c\u4ea7\u54c1\u5408\u683c\u7387\u53d1\u751f\u4e86\u663e\u8457\u53d8\u5316\u3002\u5982\u679c\u7ec8\u7ed3\u8ba1\u6570EC=8\uff0c\u5219\u8868\u660e\u572895%\u7684\u7f6e\u4fe1\u6c34\u5e73\u4e0b\uff0c\u53ef\u4ee5\u8ba4\u4e3a\u91c7\u53d6\u63aa\u65bd\u540e\uff0c\u4ea7\u54c1\u5408\u683c\u7387\u53d1\u751f\u4e86\u663e\u8457\u53d8\u5316\uff08\u6539\u8fdb\u6709\u6548\u679c\uff09\u3002<\/p>\n<p>\u597d\u4e86\u4e0a\u9762\u7684\u90e8\u5206\u662f\u8d34\u8fc7\u6765\u7684tukey\u76f8\u5173\u7684\u4e00\u79cd\u770b\u770b\u6709\u6ca1\u6709\u663e\u8457\u53d8\u5316\u7684\u65b9\u6cd5\uff0c\u611f\u89c9\u8fd9\u79cd\u7edf\u8ba1\u5b66\u7684\u65b9\u6cd5\u5f88\u96be\uff0c\u4f46\u662f\u672c\u516c\u5f0f\u91cc\u9762\u6743\u503c\u90e8\u5206\u7684tukey\u5728\u63a5\u4e0b\u6765\u7684\u7ae0\u8282\u4e2d\u4f1a\u8bb2\u5230\uff0c\u6240\u4ee5\u8fd9\u90e8\u5206\u4e0d\u7406\u89e3\u4e5f\u5173\u7cfb\u4e86\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.mushiming.top\/app\/mushiming_com\/2727e7a55a334c3482c1dae05ed7ea3e.jpg\" =\"\" =\"\" alt=\"\u56fe\u89e3\u673a\u5668\u5b66\u4e60-Huber\u635f\u5931\u6700\u5c0f\u5316\u5b66\u4e60-matlab\u6e90\u7801\u53ca\u7ed3\u679c (https:\/\/mushiming.com\/)  \u7b2c12\u5f20\" title=\"\u56fe\u89e3\u673a\u5668\u5b66\u4e60-Huber\u635f\u5931\u6700\u5c0f\u5316\u5b66\u4e60-matlab\u6e90\u7801\u53ca\u7ed3\u679c  \u7b2c12\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p>\u4e13\u95e8\u8bb2\u89e3HSD\u65b9\u6cd5\u7684\uff1ahttps:\/\/wiki.mbalib.com\/wiki\/HSD%E6%A3%80%E9%AA%8C%E6%B3%95<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.mushiming.top\/app\/mushiming_com\/6bf33142b56a4add8dfc5b2830a9d4a9.jpg\" =\"\" =\"\" alt=\"\u56fe\u89e3\u673a\u5668\u5b66\u4e60-Huber\u635f\u5931\u6700\u5c0f\u5316\u5b66\u4e60-matlab\u6e90\u7801\u53ca\u7ed3\u679c (https:\/\/mushiming.com\/)  \u7b2c13\u5f20\" title=\"\u56fe\u89e3\u673a\u5668\u5b66\u4e60-Huber\u635f\u5931\u6700\u5c0f\u5316\u5b66\u4e60-matlab\u6e90\u7801\u53ca\u7ed3\u679c  \u7b2c13\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.mushiming.top\/app\/mushiming_com\/446d21993a054cc59ffd562fc4bdf1f1.jpg\" =\"\" =\"\" alt=\"\u56fe\u89e3\u673a\u5668\u5b66\u4e60-Huber\u635f\u5931\u6700\u5c0f\u5316\u5b66\u4e60-matlab\u6e90\u7801\u53ca\u7ed3\u679c (https:\/\/mushiming.com\/)  \u7b2c14\u5f20\" title=\"\u56fe\u89e3\u673a\u5668\u5b66\u4e60-Huber\u635f\u5931\u6700\u5c0f\u5316\u5b66\u4e60-matlab\u6e90\u7801\u53ca\u7ed3\u679c  \u7b2c14\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p>matlab\u6e90\u7801\u4ee5\u53ca\u5b9e\u9a8c\u7684\u8fd0\u884c\u7ed3\u679c\uff1a<\/p>\n<pre class=\"has\"><code class=\"language-ruby\">&gt;&gt; rand('state',0);randn('state',0);\nn=10;N=1000;x=linspace(-3,3,n)';X=linspace(-4,4,N)';\ny=x+0.2*randn(n,1);y(4)=-4;\np(:,1)=ones(n,1);p(:,2)=x;t0=p\\y;e=1;\n&gt;&gt; for o=1:1000\nr=abs(p*t0-y); w(:,1)=ones(n,1);w(r&gt;e)=e.\/r(r&gt;e);\nt=(p'*(repmat(w,1,2).*p))\\(p'*(w.*y));\nif norm(t-t0)&lt;0.001,break,end\nt0=t;\nend\n&gt;&gt; P(:,1)=ones(N,1); P(:,2)=X; F=P*t;\n&gt;&gt; figure(1);clf;hold on;axis([-4 4 -4.5 3.5]);\n&gt;&gt; plot(x,y,'bo');\n&gt;&gt; plot(X,F,'g-');<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/img.mushiming.top\/app\/mushiming_com\/b20b7ba9213748af8179ca2d2ff04fa8.jpg\" =\"\" =\"\" alt=\"\u56fe\u89e3\u673a\u5668\u5b66\u4e60-Huber\u635f\u5931\u6700\u5c0f\u5316\u5b66\u4e60-matlab\u6e90\u7801\u53ca\u7ed3\u679c (https:\/\/mushiming.com\/)  \u7b2c15\u5f20\" title=\"\u56fe\u89e3\u673a\u5668\u5b66\u4e60-Huber\u635f\u5931\u6700\u5c0f\u5316\u5b66\u4e60-matlab\u6e90\u7801\u53ca\u7ed3\u679c  \u7b2c15\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"\u56fe\u89e3\u673a\u5668\u5b66\u4e60-Huber\u635f\u5931\u6700\u5c0f\u5316\u5b66\u4e60-matlab\u6e90\u7801\u53ca\u7ed3\u679c\u9c81\u68d2\u8fd9\u4e2a\u8bcd\u7b2c\u4e00\u6b21\u542c\u662f\u5728\u5b66\u4e60c\u8bed\u8a00\u7684\u65f6\u5019\uff0c\u90a3\u65f6\u5019\u8fd8\u5b66\u4e86\u4e00\u4e2a\u5065\u58ee\u6027\uff0c\u4e24\u4e2a...","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"_links":{"self":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts\/9146"}],"collection":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/comments?post=9146"}],"version-history":[{"count":0,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts\/9146\/revisions"}],"wp:attachment":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/media?parent=9146"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/categories?post=9146"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/tags?post=9146"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}