锘??xml version="1.0" encoding="utf-8" standalone="yes"?>国产精品久久久久久久久,99久久无码一区人妻a黑,久久无码AV中文出轨人妻http://m.shnenglu.com/winlinglin/category/9136.htmlzh-cnTue, 10 Mar 2009 05:37:13 GMTTue, 10 Mar 2009 05:37:13 GMT60閬椾紶綆楁硶錛堣漿錛?/title><link>http://m.shnenglu.com/winlinglin/archive/2009/03/08/75925.html</link><dc:creator>wil</dc:creator><author>wil</author><pubDate>Sun, 08 Mar 2009 12:13:00 GMT</pubDate><guid>http://m.shnenglu.com/winlinglin/archive/2009/03/08/75925.html</guid><wfw:comment>http://m.shnenglu.com/winlinglin/comments/75925.html</wfw:comment><comments>http://m.shnenglu.com/winlinglin/archive/2009/03/08/75925.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://m.shnenglu.com/winlinglin/comments/commentRss/75925.html</wfw:commentRss><trackback:ping>http://m.shnenglu.com/winlinglin/services/trackbacks/75925.html</trackback:ping><description><![CDATA[<p><strong>鐜頒唬鐢熺墿閬椾紶瀛︿腑鎻忚堪鐨勭敓鐗╄繘鍖栫悊璁? <br></strong>閬椾紶鐗╄川鐨勪富瑕佽澆浣撴槸鏌撹壊浣?chromsome),鏌撹壊浣撲富瑕佺敱DNA鍜岃泲鐧借川緇勬垚銆傚叾涓璂NA涓烘渶涓昏鐨勯仐浼犵墿璐ㄣ?<br>鍩哄洜(gene)鏄湁閬椾紶鏁堝簲鐨勭墖鏂?瀹冨瓨鍌ㄧ潃閬椾紶淇℃伅,鍙互鍑嗙‘鍦板鍒?涔熻兘鍙戠敓紿佸彉,騫跺彲閫氳繃鎺у埗铔嬬櫧璐ㄧ殑鍚堟垚鑰屾帶鍒剁敓鐗╃殑鐘舵?鐢熺墿鑷韓閫氳繃瀵瑰熀鍥犵殑澶嶅埗(reproduction)鍜屼氦鍙?crossover,鍗沖熀鍥犲垎紱?鍩哄洜緇勫悎鍜屽熀鍥犺繛閿佷簰鎹?鐨勬搷浣滄椂鍏舵х姸鐨勯仐浼犲緱鍒伴夋嫨鍜屾帶鍒躲傜敓鐗╃殑閬椾紶鐗規(guī)?浣跨敓鐗╃晫鐨勭墿縐嶈兘淇濇寔鐩稿鐨勭ǔ瀹?鐢熺墿鐨勫彉寮傜壒鎬?浣跨敓鐗╀釜浣撲駭鐢熸柊鐨勬х姸,浠ヨ嚦浜庡艦鎴愪簡(jiǎn)鏂扮殑鐗╃(閲忓彉縐瘡涓鴻川鍙?,鎺ㄥ姩浜?jiǎn)鐢熺墿鐨剺q涘寲鍜屽彂灞曘?</p> <p><strong>閬椾紶瀛︾畻娉曞拰閬椾紶瀛︿腑鐨勫熀紜鏈姣旇緝</strong> </p> <p> <table style="WIDTH: 635px; HEIGHT: 128px" height=128 cellSpacing=0 cellPadding=0 width=635 border=1> <tbody> <tr> <td>鏌撹壊浣?chromosome)   </td> <td>鏁版嵁,鏁扮粍,搴忓垪</td> </tr> <tr> <td>鍩哄洜(gene)</td> <td>鍗曚釜鍏冪礌,浣?/td> </tr> <tr> <td>絳変綅鍩哄洜(allele)</td> <td>鏁版嵁鍊?灞炴?鍊?/td> </tr> <tr> <td>鍩哄洜搴?locus) </td> <td>浣嶇疆,iterator浣嶇疆</td> </tr> <tr> <td>琛ㄧ幇鍨?phenotype) </td> <td>鍙傛暟闆?瑙ｇ爜緇撴瀯,鍊欓夎В</td> </tr> <tr> <td>閬椾紶闅愬尶(epistasis) </td> <td>闈炵嚎鎬?/td> </tr> </tbody> </table> </p> <p>鏌撹壊浣撳張鍙互鍙仛鍩哄洜鍨嬩釜浣?individuals),涓瀹氭暟閲忕殑涓綋緇勬垚浜?jiǎn)缇や?population),緹や綋涓釜浣撶殑鏁伴噺鍙仛緹や綋澶у皬銆傚悇涓釜浣撳鐜鐨勯傚簲紼嬪害鍙仛閫傚簲搴?fitness) <br></p> <p><strong>閬椾紶綆楁硶鐨勫噯澶囧伐浣? <br></strong>1)鏁版嵁杞崲鎿嶄綔,鍖呮嫭琛ㄧ幇鍨嬪埌鍩哄洜鍨嬬殑杞崲鍜屽熀鍥犲瀷鍒拌〃鐜板瀷鐨勮漿鎹€傚墠鑰呮槸鎶婃眰瑙ｇ┖闂翠腑鐨勫弬鏁拌漿鍖栨垚閬椾紶絀洪棿涓殑鏌撹壊浣撴垨鑰呬釜浣?encoding),鍚庤呮槸瀹冪殑閫嗘搷浣?decoding) <br>2)紜畾閫傚簲搴﹁綆楀嚱鏁?鍙互灝嗕釜浣撳肩粡榪囪鍑芥暟杞崲涓鴻涓綋鐨勯傚簲搴?璇ラ傚簲搴︾殑楂樹綆瑕佽兘鍏呭垎鍙嶆槧璇ヤ釜浣撳浜庤В寰椾紭縐紼嬪害銆傞潪甯擱噸瑕佺殑榪囩▼錛?</p> <p><strong>閬椾紶綆楁硶鐨勫熀鏈楠?/strong> <br>閬椾紶綆楁硶鏄叿鏈?鐢熸垚+媯(gè)嫻?(generate-and-test)鐨勮凱浠ｈ繃紼嬬殑鎼滅儲(chǔ)綆楁硶銆?<br>鍩烘湰榪囩▼涓? <br>1)緙栫爜,鍒涘緩鍒濆闆嗗洟 <br>2)闆嗗洟涓釜浣撻傚簲搴﹁綆?<br>3)璇勪及閫傚簲搴?<br>4)鏍規(guī)嵁閫傚簲搴﹂夋嫨涓綋 <br>5)琚夋嫨涓綋榪涜浜ゅ弶綣佹畺, <br>6)鍦ㄧ箒孌栫殑榪囩▼涓紩鍏ュ彉寮傛満鍒?<br>7)綣佹畺鍑烘柊鐨勯泦鍥?鍥炲埌絎簩姝?</p> <p><strong>涓涓畝鍗曠殑閬椾紶綆楁硶鐨勪緥瀛?姹?[0,31]鑼冨洿鍐呯殑y=(x-10)^2鐨勬渶灝忓?/strong> <br>1)緙栫爜綆楁硶閫夋嫨涓?灝唜杞寲涓?榪涘埗鐨勪覆",涓茬殑闀垮害涓?浣嶃?絳変綅鍩哄洜鐨勫間負(fù)0 or 1) <br>2)璁＄畻閫傚簲搴︾殑鏂規(guī)硶鏄?鍏堝皢涓綋涓茶繘琛岃В鐮?杞寲涓篿nt鍨嬬殑x鍊?鐒跺悗浣跨敤y=(x-10)^2浣滀負(fù)鍏墮傚簲搴﹁綆楀悎閫?鐢變簬鏄渶灝忓?鎵浠ョ粨鏋滆秺灝?閫傚簲搴︿篃瓚婂ソ) <br>3)姝ｅ紡寮濮?鍏堣緗兢浣撳ぇ灝忎負(fù)4,鐒跺悗鍒濆鍖栫兢浣?=> (鍦╗0,31]鑼冨洿鍐呴殢鏈洪夊彇4涓暣鏁板氨鍙互,緙栫爜) <br>4)璁＄畻閫傚簲搴i(鐢變簬鏄渶灝忓?鍙互閫夊彇涓涓ぇ鐨勫熀鍑嗙嚎1000,Fi = 1000 - (x-10)^2) <br>5)璁＄畻姣忎釜涓綋鐨勯夋嫨姒傜巼.閫夋嫨姒傜巼瑕佽兘澶熷弽鏄犱釜浣撶殑浼樼紼嬪害.榪欓噷鐢ㄤ竴涓緢綆鍗曠殑鏂規(guī)硶鏉ョ‘瀹氶夋嫨姒傜巼 <br>P=Fi / TOTAL(Fi). <br>6)閫夋嫨. <br>鏍規(guī)嵁鎵鏈変釜浣撶殑閫夋嫨姒傜巼榪涜娣樻卑閫夋嫨.榪欓噷浣跨敤鐨勬槸涓涓祵杞殑鏂瑰紡榪涜娣樻卑閫夋嫨.鍏堟寜鐓ф瘡涓釜浣撶殑閫夋嫨姒傜巼鍒涘緩涓涓祵杞?鐒跺悗閫夊彇4嬈?姣忔鍏堜駭鐢熶竴涓?-1鐨勯殢鏈哄皬鏁?鐒跺悗鍒ゆ柇璇ラ殢鏈烘暟钀藉湪閭ｄ釜孌靛唴灝遍夊彇鐩稿搴旂殑涓綋.榪欎釜榪囩▼涓?閫夊彇姒傜巼P楂樼殑涓綋灝嗗彲鑳借澶氭閫夋嫨,鑰屾鐜囦綆鐨勫氨鍙兘琚窐姹? </p> <p>涓嬮潰鏄竴涓畝鍗曠殑璧岃疆鐨勪緥瀛?<br><font face=瀹嬩綋 size=2>   13%               35%                    15%                 37%        <br>----------|----------------------------|------------|-*-------------------------| <br>   涓綋1              涓綋2                  涓綋3    ^0.67    涓綋4</font> <br>闅忔満鏁頒負(fù)0.67钀藉湪浜?jiǎn)涓?鐨勭鍐?鏈閫夋嫨浜?jiǎn)涓?.  </p> <p>琚変腑鐨勪釜浣撳皢榪涘叆閰嶅搴?mating pool,閰嶅闆嗗洟)鍑嗗寮濮嬬箒孌? <br>7)綆鍗曚氦鍙?<br>鍏堝閰嶅搴撲腑鐨勪釜浣撹繘琛岄殢鏈洪厤瀵?鐒跺悗鍦ㄩ厤瀵圭殑2涓釜浣撲腑璁劇疆浜ゅ弶鐐?浜ゆ崲2涓釜浣撶殑淇℃伅鍚庝駭鐢熶笅涓浠? <br>姣斿( | 浠ｈ〃綆鍗曚覆鐨勪氦鍙変綅緗? <br> ( 0110|1, 1100|0 ) --浜ゅ弶--> (01100,11001) <br> ( 01|000, 11|011 ) --浜ゅ弶--> (01011,11000) <br>2涓埗浠ｇ殑涓綋鍦ㄤ氦鍙夊悗綣佹畺鍑轟簡(jiǎn)涓嬩竴浠ｇ殑鍚屾牱鏁伴噺鐨勪釜浣? <br>澶嶆潅鐨勪氦鍙夊湪浜ゅ弶鐨勪綅緗?浜ゅ弶鐨勬柟娉?鍙屼翰鐨勬暟閲忎笂閮藉彲浠ラ夋嫨.鍏剁洰鐨勯兘鍦ㄤ簬灝藉彲鑳界殑鍩硅偛鍑烘洿浼樼鐨勫悗 <br>浠?<br>8)鍙樺紓 <br>鍙樺紓鎿嶄綔鏃舵寜鐓у熀鍥犲駭鏉ョ殑.姣斿璇存病璁＄畻2涓囦釜鍩哄洜搴у氨鍙戠敓涓涓彉寮?鎴戜滑鐜板湪鐨勬瘡涓釜浣撴湁5涓熀鍥犲駭.涔熷氨鏄瑕佽繘鍖?000浠ｅ悗鎵嶄細(xì)鍦ㄥ叾涓殑鏌愪釜鍩哄洜搴у彂鐢熶竴嬈″彉寮?)鍙樺紓鐨勭粨鏋滄槸鍩哄洜搴т笂鐨勭瓑浣嶅熀鍥犲彂鐢熶簡(jiǎn)鍙樺寲.鎴戜滑榪欓噷鐨勪緥瀛愬氨鏄妸0鍙樻垚1鎴栧垯1鍙樻垚0. <br>鑷蟲,鎴戜滑宸茬粡浜х敓浜?jiǎn)涓涓柊鐨?涓嬩竴浠?闆嗗洟.鐒跺悗鍥炲埌絎?姝?鍛ㄨ屽濮?鐢熺敓涓嶆伅涓嬪幓:) </p> <p><strong>浼唬鐮佸疄渚?閫傚悎鐖辯湅浠ｇ爜鐨勬湅鍙媬):</strong> </p> <p><font face=Tahoma size=2>//Init population <br>foreach individual in population <br>{ <br>     individual = Encode(Random(0,31)); <br>}</font> </p> <p><font face=Tahoma size=2>while (App.IsRun) <br>{  <br>     //璁＄畻涓綋閫傚簲搴?<br>     int TotalF = 0; <br>     foreach individual in population <br>     { <br>      individual.F = 1000 - (Decode(individual)-10)^2; <br>      TotalF += individual.F; <br>     }</font> </p> <p><font face=Tahoma size=2>     //------閫夋嫨榪囩▼,璁＄畻涓綋閫夋嫨姒傜巼----------- <br>     foreach individual in population <br>     { <br>          individual.P = individual.F / TotalF; <br>     } <br>     //閫夋嫨 <br>     for(int i=0;i<4;i++) <br>     { <br>          //SelectIndividual(float p)鏄牴鎹殢鏈烘暟钀藉湪孌佃惤璁＄畻閫夊彇鍝釜涓綋鐨勫嚱鏁?<br>          MatingPool[i] = population[SelectIndividual(Random(0,1))]; <br>     } <br>     //-------綆鍗曚氦鍙?-------------------------- <br>     //鐢變簬鍙湁4涓釜浣?閰嶅2嬈?<br>     for(int i=0;i<2;i++) <br>     { <br>          MatingPool.Parents[i].Mother = MatingPool.RandomPop(); <br>          MatingPool.Parents[i].Father = MatingPool.RandomPop(); <br>        }</font> </p> <p><font face=Tahoma size=2>     //浜ゅ弶鍚庡垱寤烘柊鐨勯泦鍥?<br>     population.Clean(); <br>     foreach Parent in MatingPool.Parents <br>     { <br>          //娉ㄦ剰鍦╟opy 鍙屼翰鐨勬煋鑹蹭綋鏃跺湪鏌愪釜鍩哄洜搴т笂鍙戠敓鐨勫彉寮傛湭琛ㄧ幇. <br>          child1 = Parent.Mother.DivHeader + Parent.Father.DivEnd; <br>          child2 = Parent.Father.DivHeader + Parent.Mother.DivEnd; <br>          population.push(child1); <br>          population.push(child2); <br>     } <br>}  <br></font><strong>灝忕粨:</strong> <br>閬椾紶綆楁硶涓渶閲嶈鐨勮繃紼嬪氨鏄夋嫨鍜屼氦鍙夈?<br>閫夋嫨瑕佽兘澶熷悎鐞嗙殑鍙嶆槧"閫傝呯敓瀛?鐨勮嚜鐒舵硶鍒欙紝鑰屼氦鍙夊繀欏誨皢鐢卞埄鐨勫熀鍥犲敖閲忛仐浼犵粰涓嬩竴浠?榪欎釜綆楁硶寰堝叧閿紒) <br>榪樻湁灝辨槸緙栫爜鐨勮繃紼嬭鑳藉浣跨紪鐮佸悗鐨勬煋鑹蹭綋鑳藉厖鍒嗗弽鏄犱釜浣撶殑鐗瑰緛騫朵笖鑳藉鏂逛究璁＄畻銆?</p> <p>榪欑瘒鏂囩珷鏄師鏉ュ涔?fàn)鐨勪竴浜涘洖蹇嗙殑鏁寸悊,鍥犱負(fù)鏈榪戣瀹炵敤浜?涓嶆紜殑鍦版柟榪樺笇鏈涘ぇ瀹跺澶氭寚鍑簙</p> <img src ="http://m.shnenglu.com/winlinglin/aggbug/75925.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://m.shnenglu.com/winlinglin/" target="_blank">wil</a> 2009-03-08 20:13 <a href="http://m.shnenglu.com/winlinglin/archive/2009/03/08/75925.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>铻烘棆鏁扮粍http://m.shnenglu.com/winlinglin/archive/2009/03/05/75655.htmlwilwilThu, 05 Mar 2009 10:33:00 GMThttp://m.shnenglu.com/winlinglin/archive/2009/03/05/75655.htmlhttp://m.shnenglu.com/winlinglin/comments/75655.htmlhttp://m.shnenglu.com/winlinglin/archive/2009/03/05/75655.html#Feedback1http://m.shnenglu.com/winlinglin/comments/commentRss/75655.htmlhttp://m.shnenglu.com/winlinglin/services/trackbacks/75655.html  1 #include <iostream>
  2 
  3 using namespace std;
  4 
  5 #define MAXSIZE 8
  6 
  7 void left( int& x, int& y )
  8 {
  9     --y;
 10 }
 11 
 12 void right( int& x, int& y )
 13 {
 14     ++y;
 15 }
 16 
 17 void up( int& x, int& y )
 18 {
 19     --x;
 20 }
 21 
 22 void down( int& x, int& y )
 23 {
 24     ++x;
 25 }
 26 
 27 int main()
 28 {
 29     int numbers[MAXSIZE][MAXSIZE];
 30     // 鍒濆鍖栨暟緇勶紝鑻ユ暟鍊間負(fù)0錛屽垯浠ｈ〃榪樻病鏈夎璧嬪?/span>
 31     for( int i = 0; i<MAXSIZE; ++i )
 32         for( int j = 0; j<MAXSIZE; ++j )
 33             numbers[i][j] = 0;
 34 
 35     enum Direction{RIGHT,DOWN,LEFT,UP};    // 縐誨姩鏂瑰悜
 36     int x=0,y=0;
 37     int Next = -1;    // 涓嬩竴涓綅緗殑鍊?/span>
 38     Direction direct = RIGHT;
 39     int count = MAXSIZE * MAXSIZE;    // 榪樻病琚祴鍊肩殑鏁扮洰
 40     int value = 1;    //灝嗚琚祴鍊肩殑鍊?/span>
 41 
 42     while( count > 0 )
 43     {
 44         Next = numbers[x][y];
 45         if( Next == 0 && x<MAXSIZE && y<MAXSIZE )    // 鏃犻殰紕嶏紝鍙互璧嬪?/span>
 46         {
 47             numbers[x][y] = value;
 48             // 璧嬪兼垚鍔燂紝count鍑忎竴, value鍔犱竴
 49             --count;
 50             ++value;
 51 
 52             // 璁劇疆Next
 53             if( direct == RIGHT )
 54                 right( x, y );
 55             else if( direct == DOWN )
 56                 down( x, y );
 57             else if( direct == LEFT )
 58                 left( x, y );
 59             else if( direct == UP )
 60                 up( x, y );
 61         }
 62         else        // 鏈夐殰紕嶏紝瑕佽漿寮?/span>
 63         {
 64             if( direct == RIGHT )    // 鑻ュ師鏉ユ柟鍚戞槸鍙崇殑璇濓紝灝辮漿寮悜涓?/span>
 65             {
 66                 x = x + 1;
 67                 y = y - 1;
 68                 direct = DOWN;
 69             }
 70             else if( direct == DOWN )    //鑻ュ師鏉ユ柟鍚戞槸涓嬬殑璇濓紝灝辮漿寮悜宸?/span>
 71             {
 72                 x = x - 1;
 73                 y = y - 1;
 74                 direct = LEFT;
 75             }
 76             else if( direct == LEFT )    //鑻ュ師鏉ユ柟鍚戞槸宸︾殑璇濓紝灝辮漿寮悜涓?/span>
 77             {                
 78                 x = x - 1;
 79                 y = y + 1;
 80                 direct = UP;
 81             }
 82             else if( direct == UP)    //鑻ュ師鏉ユ柟鍚戞槸涓婄殑璇濓紝灝辮漿寮悜鍙?/span>
 83             {                
 84                 x = x + 1;
 85                 y = y + 1;
 86                 direct = RIGHT;
 87             }
 88         }
 89     }
 90 
 91     for( int i = 0; i<MAXSIZE; ++i )
 92     {
 93         for( int j = 0; j<MAXSIZE; ++j )
 94         {
 95             cout<<numbers[i][j]<<"   ";
 96         }
 97         cout<<endl;
 98     }
 99 
100     return 0;
101 }

wil 2009-03-05 18:33 鍙戣〃璇勮
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