slide0125.htm

人工智能的教材啊

 yes">                
 </span></span><span lang=EN-US style='font-family:"Times New Roman";
 mso-ascii-font-family:"Times New Roman";mso-fareast-language:ZH-CN'><i>ci</i></span><span
 lang=EN-US style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
 mso-fareast-language:ZH-CN'> </span>使得<span style='font-family:"Times New Roman";
 mso-ascii-font-family:"Times New Roman"'> </span><span style='font-family:
 Symbol;mso-char-type:symbol'><i>f</i></span><span style='font-family:"Times New Roman";
 mso-ascii-font-family:"Times New Roman"'><i>_N</i></span><span lang=EN-US
 style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
 mso-fareast-language:ZH-CN'> </span>与<span style='font-family:"Times New Roman";
 mso-ascii-font-family:"Times New Roman"'> V</span><span lang=EN-US
 style='font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";
 mso-fareast-language:ZH-CN'>’</span><span lang=EN-US style='font-family:"Times New Roman";
 mso-ascii-font-family:"Times New Roman";mso-fareast-language:ZH-CN'> </span>中矢量是直交的<span
 style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman"'>.<span
 style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>&#13;</span></div>
 <div style='position:absolute;top:46.75%;left:4.11%;width:95.5%;height:4.75%'>&#13;</div>
 <div style='position:absolute;top:51.75%;left:4.11%;width:95.5%;height:5.25%'>例<span
 style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman"'>:<span
 style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>&#13;</span></div>
 <div style='position:absolute;top:57.0%;left:4.11%;width:95.5%;height:5.25%'>极大熵方法<span
 style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman"'>:&#13;</span></div>
 <div style='position:absolute;top:62.0%;left:4.11%;width:95.5%;height:5.75%'>一个概率分布<span
 style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman"'>
 P </span>的熵<span style='font-family:"Times New Roman";mso-ascii-font-family:
 "Times New Roman"'><span style="mso-spacerun: yes">&nbsp;&nbsp; </span></span><span
 lang=EN-US style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
 mso-fareast-language:ZH-CN'><i>H= - </i></span><span lang=EN-US
 style='font-family:Symbol;mso-fareast-language:ZH-CN;mso-char-type:symbol'><i>S</i></span><span
 lang=EN-US style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
 mso-fareast-language:ZH-CN'><i> _i pi log pi= - </i></span><span lang=EN-US
 style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
 mso-fareast-language:ZH-CN'>P* </span><span lang=EN-US style='font-family:
 "Times New Roman";mso-ascii-font-family:"Times New Roman";mso-fareast-language:
 ZH-CN'><i>log </i></span><span lang=EN-US style='font-family:"Times New Roman";
 mso-ascii-font-family:"Times New Roman";mso-fareast-language:ZH-CN'>P , &#13;</span></div>
 <div style='position:absolute;top:67.5%;left:4.11%;width:95.5%;height:5.25%'><span
 lang=EN-US style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
 mso-fareast-language:ZH-CN'><span style="mso-spacerun:
 yes">&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;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 </span>P* </span><span lang=ZH-CN style='mso-fareast-language:ZH-CN'>是</span><span
 lang=ZH-CN style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
 mso-fareast-language:ZH-CN'> </span><span lang=EN-US style='font-family:"Times New Roman";
 mso-ascii-font-family:"Times New Roman";mso-fareast-language:ZH-CN'>P </span><span
 lang=ZH-CN style='mso-fareast-language:ZH-CN'>的置换</span><span lang=ZH-CN
 style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
 mso-fareast-language:ZH-CN'>.</span><span style='font-family:"Times New Roman";
 mso-ascii-font-family:"Times New Roman"'><span style="mso-spacerun:
 yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 </span></span><span style='font-family:"Times New Roman";mso-ascii-font-family:
 "Times New Roman"'><i><span style="mso-spacerun: yes">&nbsp;</span>&#13;</i></span></div>
 <div style='position:absolute;top:73.0%;left:4.11%;width:95.5%;height:5.25%'>使用<span
 style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman"'>
 Lagrange<span style="mso-spacerun: yes">&nbsp; </span></span>变换<span
 style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman"'><span
 style="mso-spacerun: yes">&nbsp; </span>&#13;</span></div>
 <div style='position:absolute;top:77.75%;left:4.11%;width:106.36%;height:5.75%'><span
 style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman"'><span
 style="mso-spacerun: yes">&nbsp; </span></span><span lang=EN-US
 style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
 mso-fareast-language:ZH-CN'><i>H= - </i></span><span lang=EN-US
 style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
 mso-fareast-language:ZH-CN'>P* </span><span lang=EN-US style='font-family:
 "Times New Roman";mso-ascii-font-family:"Times New Roman";mso-fareast-language:
 ZH-CN'><i>log </i></span><span lang=EN-US style='font-family:"Times New Roman";
 mso-ascii-font-family:"Times New Roman";mso-fareast-language:ZH-CN'>P </span><span
 lang=EN-US style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
 mso-fareast-language:ZH-CN'><i>+ l1(</i></span><span lang=EN-US
 style='font-family:Symbol;mso-fareast-language:ZH-CN;mso-char-type:symbol'><i>p</i></span><span
 lang=EN-US style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
 mso-fareast-language:ZH-CN'><i>1-</i></span><span lang=EN-US style='font-family:
 Symbol;mso-fareast-language:ZH-CN;mso-char-type:symbol'><i>f</i></span><span
 lang=EN-US style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
 mso-fareast-language:ZH-CN'><i>1 </i></span><span lang=EN-US style='font-family:
 "Times New Roman";mso-ascii-font-family:"Times New Roman";mso-fareast-language:
 ZH-CN'>P</span><span lang=EN-US style='font-family:"Times New Roman";
 mso-ascii-font-family:"Times New Roman";mso-fareast-language:ZH-CN'><i>) + </i></span><span
 lang=EN-US style='font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";
 mso-fareast-language:ZH-CN'><i>…</i></span><span lang=EN-US style='font-family:
 "Times New Roman";mso-ascii-font-family:"Times New Roman";mso-fareast-language:
 ZH-CN'><i> + l_(L-1)(</i></span><span lang=EN-US style='font-family:Symbol;
 mso-fareast-language:ZH-CN;mso-char-type:symbol'><i>p</i></span><span
 lang=EN-US style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
 mso-fareast-language:ZH-CN'><i>_(L-1) - </i></span><span lang=EN-US
 style='font-family:Symbol;mso-fareast-language:ZH-CN;mso-char-type:symbol'><i>f</i></span><span
 lang=EN-US style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
 mso-fareast-language:ZH-CN'><i>_(L-1) </i></span><span lang=EN-US
 style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
 mso-fareast-language:ZH-CN'>P</span><span lang=EN-US style='font-family:"Times New Roman";
 mso-ascii-font-family:"Times New Roman";mso-fareast-language:ZH-CN'><i>)&#13;</i></span></div>
 <div style='position:absolute;top:83.5%;left:4.11%;width:95.5%;height:5.25%'>微分<span
 style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman"'><span
 style="mso-spacerun: yes">&nbsp; </span></span><span style='font-family:"Times New Roman";
 mso-ascii-font-family:"Times New Roman"'><i>- log pi -1 - l1v_(1i) - … -
 l_(L-1) v_((L-1)i) = 0</i></span></div>
 </div>
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