锘??xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>&#24615;&#39640;&#28246;&#20037;&#20037;&#20037;&#20037;&#20037;&#20037;&#20037;&#65;&#65;&#65;&#65;&#65;&#44;&#20122;&#27954;&#31934;&#21697;&#57;&#55;&#20037;&#20037;&#20013;&#25991;&#23383;&#24149;&#26080;&#30721;&#44;&#33394;&#35825;&#20037;&#20037;&#20037;&#20037;&#32508;&#21512;&#32593;&#121;&#119;&#119;&#119;</title><link>http://www.shnenglu.com/mysileng/category/20515.html</link><description /><language>zh-cn</language><lastBuildDate>Thu, 09 May 2013 08:51:39 GMT</lastBuildDate><pubDate>Thu, 09 May 2013 08:51:39 GMT</pubDate><ttl>60</ttl><item><title>鏈�灝忎簩涔樻硶 least square method</title><link>http://www.shnenglu.com/mysileng/archive/2013/05/09/200131.html</link><dc:creator>閼緳</dc:creator><author>閼緳</author><pubDate>Thu, 09 May 2013 08:24:00 GMT</pubDate><guid>http://www.shnenglu.com/mysileng/archive/2013/05/09/200131.html</guid><wfw:comment>http://www.shnenglu.com/mysileng/comments/200131.html</wfw:comment><comments>http://www.shnenglu.com/mysileng/archive/2013/05/09/200131.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.shnenglu.com/mysileng/comments/commentRss/200131.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/mysileng/services/trackbacks/200131.html</trackback:ping><description><![CDATA[<p style="margin-top: 10px; margin-bottom: 10px; padding: 0px; font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 12px; line-height: 24px; background-color: #ffffff; "><strong style="margin: 0px; padding: 0px; ">鏈�灝忎簩涔樻硶</strong>錛堝張縐?strong style="margin: 0px; padding: 0px; ">鏈�灝忓鉤鏂規(guī)硶</strong>錛夋槸涓�縐嶆暟瀛︿紭鍖栨妧鏈�傚畠閫氳繃<strong style="margin: 0px; padding: 0px; ">鏈�灝忓寲璇樊鐨勫鉤鏂瑰拰</strong>瀵繪壘鏁版嵁鐨勬渶浣?jīng)_嚱鏁板尮閰嶃�傚埄鐢ㄦ渶灝忎簩涔樻硶鍙互綆�渚垮湴姹傚緱鏈煡鐨勬暟鎹紝騫朵嬌寰楄繖浜涙眰寰楃殑鏁版嵁涓庡疄闄呮暟鎹箣闂磋宸殑騫蟲柟鍜屼負鏈�灝忋�傛渶灝忎簩涔樻硶榪樺彲鐢ㄤ簬鏇茬嚎鎷熷悎銆傚叾浠栦竴浜涗紭鍖栭棶棰樹篃鍙�氳繃鏈�灝忓寲鑳介噺鎴栨渶澶у寲鐔電敤鏈�灝忎簩涔樻硶鏉ヨ〃杈俱�?/p><p style="margin-top: 10px; margin-bottom: 10px; padding: 0px; font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 12px; line-height: 24px; background-color: #ffffff; "><strong style="margin: 0px; padding: 0px; ">鏈�灝忎簩涔樻硶鍘熺悊</strong></p><p style="margin-top: 10px; margin-bottom: 10px; padding: 0px; font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 12px; line-height: 24px; background-color: #ffffff; ">鍦ㄦ垜浠爺絀朵袱涓彉閲?x, y)涔嬮棿鐨勭浉浜掑叧緋繪椂錛岄�氬父鍙互寰楀埌涓�緋誨垪鎴愬鐨勬暟鎹? x<sub style="margin: 0px; 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font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 12px; line-height: 24px; background-color: #ffffff; ">鍏朵腑錛歛<sub style="margin: 0px; padding: 0px; ">0</sub>銆乤<sub style="margin: 0px; padding: 0px; ">1</sub>&nbsp;鏄換鎰忓疄鏁?/p><p style="margin-top: 10px; margin-bottom: 10px; padding: 0px; font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 12px; line-height: 24px; background-color: #ffffff; ">涓哄緩绔嬭繖鐩寸嚎鏂圭▼灝辮紜畾a<sub style="margin: 0px; padding: 0px; ">0</sub>鍜宎<sub style="margin: 0px; padding: 0px; ">1</sub>錛屽簲鐢?鏈�灝忎簩涔樻硶鍘熺悊 錛屽皢瀹炴祴鍊糦<sub style="margin: 0px; padding: 0px; ">i</sub>涓庡埄鐢?寮?-1)璁＄畻鍊?Y<sub style="margin: 0px; padding: 0px; ">璁?/sub>=a<sub style="margin: 0px; padding: 0px; ">0</sub>+a<sub style="margin: 0px; padding: 0px; ">1</sub>X)鐨勭宸?Y<sub style="margin: 0px; padding: 0px; ">i</sub>-Y<sub style="margin: 0px; padding: 0px; ">璁?/sub>)鐨勫鉤鏂瑰拰銆?#8721;(Y<sub style="margin: 0px; padding: 0px; ">i</sub>&nbsp;- Y<sub style="margin: 0px; padding: 0px; ">璁?/sub>)<sup style="margin: 0px; padding: 0px; ">2</sup>銆曟渶灝忎負&#8220;浼樺寲鍒ゆ嵁&#8221;銆?/p><p style="margin-top: 10px; margin-bottom: 10px; padding: 0px; font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 12px; line-height: 24px; background-color: #ffffff; ">浠わ細 &#966; = &#8721;(Y<sub style="margin: 0px; padding: 0px; ">i</sub>&nbsp;- Y<sub style="margin: 0px; padding: 0px; ">璁?/sub>)<sup style="margin: 0px; padding: 0px; ">2</sup>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (<span style="margin: 0px; padding: 0px; color: #0000ff; ">寮?-2</span>)</p><p style="margin-top: 10px; margin-bottom: 10px; padding: 0px; font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 12px; line-height: 24px; background-color: #ffffff; ">鎶?寮?-1)浠ｅ叆(寮?-2)涓緱:</p><p style="margin-top: 10px; margin-bottom: 10px; padding: 0px; font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 12px; line-height: 24px; background-color: #ffffff; ">&#966; = &#8721;(Y<sub style="margin: 0px; padding: 0px; ">i&nbsp;</sub>- a<sub style="margin: 0px; padding: 0px; ">0</sub>&nbsp;- a<sub style="margin: 0px; padding: 0px; ">1</sub>&nbsp;X<sub style="margin: 0px; padding: 0px; ">i</sub>)<sup style="margin: 0px; padding: 0px; ">2</sup>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (<span style="margin: 0px; padding: 0px; color: #0000ff; ">寮?-3</span>)</p><p style="margin-top: 10px; margin-bottom: 10px; padding: 0px; font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 12px; line-height: 24px; background-color: #ffffff; ">褰?#8721;(Y<sub style="margin: 0px; padding: 0px; ">i</sub>-Y<sub style="margin: 0px; padding: 0px; ">璁?/sub>)騫蟲柟鏈�灝忔椂錛屽彲鐢ㄥ嚱鏁?&#966; 瀵筧<sub style="margin: 0px; padding: 0px; ">0</sub>銆乤<sub style="margin: 0px; padding: 0px; ">1</sub>姹傚亸瀵兼暟錛屼護榪欎袱涓亸瀵兼暟絳変簬闆躲�?br /><img src="http://www.shnenglu.com/images/cppblog_com/mysileng/QQ鎴浘20130509162356.jpg" width="397" height="143" alt="" /><br /><p style="margin-top: 10px; margin-bottom: 10px; padding: 0px; ">浜﹀嵆錛?/p><p style="margin-top: 10px; margin-bottom: 10px; padding: 0px; ">m a<sub style="margin: 0px; padding: 0px; ">0</sub>&nbsp;+ (&#8721;X<sub style="margin: 0px; padding: 0px; ">i</sub>&nbsp;) a<sub style="margin: 0px; padding: 0px; ">1</sub>&nbsp;= &#8721;Y<sub style="margin: 0px; padding: 0px; ">i&nbsp;</sub>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; (<span style="margin: 0px; padding: 0px; color: #0000ff; ">寮?-6</span>)</p><p style="margin-top: 10px; margin-bottom: 10px; padding: 0px; ">(&#8721;X<sub style="margin: 0px; padding: 0px; ">i&nbsp;</sub>) a<sub style="margin: 0px; padding: 0px; ">0</sub>&nbsp;+ (&#8721;X<sub style="margin: 0px; padding: 0px; ">i</sub><sup style="margin: 0px; padding: 0px; ">2</sup>&nbsp;) a<sub style="margin: 0px; padding: 0px; ">1</sub>&nbsp;= &#8721;(X<sub style="margin: 0px; padding: 0px; ">i</sub>, Y<sub style="margin: 0px; padding: 0px; ">i</sub>)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (<span style="margin: 0px; padding: 0px; color: #0000ff; ">寮?-7</span>)</p><p style="margin-top: 10px; margin-bottom: 10px; padding: 0px; ">寰楀埌鐨勪袱涓叧浜巃<sub style="margin: 0px; padding: 0px; ">0</sub>銆?a<sub style="margin: 0px; padding: 0px; ">1</sub>涓烘湭鐭ユ暟鐨勪袱涓柟紼嬬粍錛岃В榪欎袱涓柟紼嬬粍寰楀嚭錛?/p><p style="margin-top: 10px; margin-bottom: 10px; padding: 0px; ">a<sub style="margin: 0px; padding: 0px; ">0&nbsp;</sub>= (&#8721;Y<sub style="margin: 0px; padding: 0px; ">i</sub>) / m - a<sub style="margin: 0px; padding: 0px; ">1</sub>(&#8721;X<sub style="margin: 0px; padding: 0px; ">i</sub>) / m&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;(<span style="margin: 0px; padding: 0px; color: #0000ff; ">寮?-8</span>)</p><p style="margin-top: 10px; margin-bottom: 10px; padding: 0px; ">a<sub style="margin: 0px; padding: 0px; ">1</sub>&nbsp;= [m&#8721;X<sub style="margin: 0px; padding: 0px; ">i</sub>&nbsp;Y<sub style="margin: 0px; padding: 0px; ">i</sub>&nbsp;- (&#8721;X<sub style="margin: 0px; padding: 0px; ">i&nbsp;</sub>&#8721;Y<sub style="margin: 0px; padding: 0px; ">i</sub>)] / [m&#8721;X<sub style="margin: 0px; padding: 0px; ">i</sub><sup style="margin: 0px; padding: 0px; ">2</sup>&nbsp;- (&#8721;X<sub style="margin: 0px; padding: 0px; ">i</sub>)<sup style="margin: 0px; padding: 0px; ">2</sup>&nbsp;)]&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (<span style="margin: 0px; padding: 0px; color: #0000ff; ">寮?-9</span>)</p><p style="margin-top: 10px; margin-bottom: 10px; padding: 0px; ">榪欐椂鎶奱<sub style="margin: 0px; padding: 0px; ">0</sub>銆乤<sub style="margin: 0px; padding: 0px; ">1</sub>浠ｅ叆(寮?-1)涓紝 姝ゆ椂鐨?寮?-1)灝辨槸鎴戜滑鍥炲綊鐨勫厓綰挎�ф柟紼嬪嵆錛氭暟瀛︽ā鍨嬨�?/p><p style="margin-top: 10px; margin-bottom: 10px; padding: 0px; ">鍦ㄥ洖褰掕繃紼嬩腑錛屽洖褰掔殑鍏寵仈寮忔槸涓嶅彲鑳藉叏閮ㄩ�氳繃姣忎釜鍥炲綊鏁版嵁鐐? x<sub style="margin: 0px; padding: 0px; ">1</sub>, y<sub style="margin: 0px; padding: 0px; ">1</sub>.&nbsp; x<sub style="margin: 0px; padding: 0px; ">2</sub>, y<sub style="margin: 0px; padding: 0px; ">2</sub>.&nbsp; &#8230;&nbsp;&nbsp;&nbsp; x<sub style="margin: 0px; padding: 0px; ">m</sub>&nbsp;, y<sub style="margin: 0px; padding: 0px; ">m</sub>&nbsp;),涓轟簡鍒ゆ柇鍏寵仈寮忕殑濂藉潖錛屽彲鍊熷姪鐩稿叧緋繪暟&#8220;R&#8221;錛岀粺璁￠噺&#8220;F&#8221;錛屽墿浣欐爣鍑嗗亸宸?#8220;S&#8221;榪涜鍒ゆ柇錛?#8220;R&#8221;瓚婅秼榪戜簬 1 瓚婂ソ錛?#8220;F&#8221;鐨勭粷瀵瑰�艱秺澶ц秺濂斤紱&#8220;S&#8221;瓚婅秼榪戜簬 0 瓚婂ソ銆?/p><p style="margin-top: 10px; margin-bottom: 10px; padding: 0px; ">R = [&#8721;X<sub style="margin: 0px; padding: 0px; ">i</sub>Y<sub style="margin: 0px; padding: 0px; ">i</sub>&nbsp;- m (&#8721;X<sub style="margin: 0px; padding: 0px; ">i</sub>&nbsp;/ m)(&#8721;Y<sub style="margin: 0px; padding: 0px; ">i</sub>&nbsp;/ m)]/ SQR{[&#8721;X<sub style="margin: 0px; padding: 0px; ">i</sub><sup style="margin: 0px; padding: 0px; ">2</sup>&nbsp;- m (&#8721;X<sub style="margin: 0px; padding: 0px; ">i</sub>&nbsp;/ m)<sup style="margin: 0px; padding: 0px; ">2</sup>][&#8721;Y<sub style="margin: 0px; padding: 0px; ">i</sub><sup style="margin: 0px; padding: 0px; ">2</sup>&nbsp;- m (&#8721;Y<sub style="margin: 0px; padding: 0px; ">i&nbsp;</sub>/ m)<sup style="margin: 0px; padding: 0px; ">2</sup>]}&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;(<span style="margin: 0px; padding: 0px; color: #0000ff; ">寮?-10</span>) *</p><p style="margin-top: 10px; margin-bottom: 10px; padding: 0px; ">鍦?寮?-1)涓紝m涓烘牱鏈閲忥紝鍗沖疄楠屾鏁幫紱X<sub style="margin: 0px; padding: 0px; ">i</sub>銆乊<sub style="margin: 0px; padding: 0px; ">i</sub>鍒嗗埆浠繪剰涓�緇勫疄楠孹銆乊鐨勬暟鍊箋�?/p><br /></p><img src ="http://www.shnenglu.com/mysileng/aggbug/200131.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/mysileng/" target="_blank">閼緳</a> 2013-05-09 16:24 <a href="http://www.shnenglu.com/mysileng/archive/2013/05/09/200131.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item></channel></rss>                                                  <footer>
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