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鐜頒唬鐢熺墿閬椾紶瀛︿腑鎻忚堪鐨勭敓鐗╄繘鍖栫悊璁?
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?
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?

閬椾紶瀛︾畻娉曞拰閬椾紶瀛︿腑鐨勫熀紜鏈姣旇緝

鏌撹壊浣?chromosome)    鏁版嵁,鏁扮粍,搴忓垪
鍩哄洜(gene) 鍗曚釜鍏冪礌,浣?/td>
絳変綅鍩哄洜(allele) 鏁版嵁鍊?灞炴?鍊?/td>
鍩哄洜搴?locus)  浣嶇疆,iterator浣嶇疆
琛ㄧ幇鍨?phenotype)  鍙傛暟闆?瑙g爜緇撴瀯,鍊欓夎В
閬椾紶闅愬尶(epistasis)  闈炵嚎鎬?/td>

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)

閬椾紶綆楁硶鐨勫噯澶囧伐浣?
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)
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?

閬椾紶綆楁硶鐨勫熀鏈楠?/strong>
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?
鍩烘湰榪囩▼涓?
1)緙栫爜,鍒涘緩鍒濆闆嗗洟
2)闆嗗洟涓釜浣撻傚簲搴﹁綆?
3)璇勪及閫傚簲搴?
4)鏍規(guī)嵁閫傚簲搴﹂夋嫨涓綋
5)琚夋嫨涓綋榪涜浜ゅ弶綣佹畺,
6)鍦ㄧ箒孌栫殑榪囩▼涓紩鍏ュ彉寮傛満鍒?
7)綣佹畺鍑烘柊鐨勯泦鍥?鍥炲埌絎簩姝?

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>
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)
2)璁$畻閫傚簲搴︾殑鏂規(guī)硶鏄?鍏堝皢涓綋涓茶繘琛岃В鐮?杞寲涓篿nt鍨嬬殑x鍊?鐒跺悗浣跨敤y=(x-10)^2浣滀負(fù)鍏墮傚簲搴﹁綆楀悎閫?鐢變簬鏄渶灝忓?鎵浠ョ粨鏋滆秺灝?閫傚簲搴︿篃瓚婂ソ)
3)姝e紡寮濮?鍏堣緗兢浣撳ぇ灝忎負(fù)4,鐒跺悗鍒濆鍖栫兢浣?=> (鍦╗0,31]鑼冨洿鍐呴殢鏈洪夊彇4涓暣鏁板氨鍙互,緙栫爜)
4)璁$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)
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
P=Fi / TOTAL(Fi).
6)閫夋嫨.
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?

涓嬮潰鏄竴涓畝鍗曠殑璧岃疆鐨勪緥瀛?
   13%               35%                    15%                 37%       
----------|----------------------------|------------|-*-------------------------|
   涓綋1              涓綋2                  涓綋3    ^0.67    涓綋4

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?. 

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?
7)綆鍗曚氦鍙?
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?
姣斿( | 浠h〃綆鍗曚覆鐨勪氦鍙変綅緗?
 ( 0110|1, 1100|0 ) --浜ゅ弶--> (01100,11001)
 ( 01|000, 11|011 ) --浜ゅ弶--> (01011,11000)
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?
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
浠?
8)鍙樺紓
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.
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:)

浼唬鐮佸疄渚?閫傚悎鐖辯湅浠g爜鐨勬湅鍙媬):

//Init population
foreach individual in population
{
     individual = Encode(Random(0,31));
}

while (App.IsRun)

     //璁$畻涓綋閫傚簲搴?
     int TotalF = 0;
     foreach individual in population
     {
      individual.F = 1000 - (Decode(individual)-10)^2;
      TotalF += individual.F;
     }

     //------閫夋嫨榪囩▼,璁$畻涓綋閫夋嫨姒傜巼-----------
     foreach individual in population
     {
          individual.P = individual.F / TotalF;
     }
     //閫夋嫨
     for(int i=0;i<4;i++)
     {
          //SelectIndividual(float p)鏄牴鎹殢鏈烘暟钀藉湪孌佃惤璁$畻閫夊彇鍝釜涓綋鐨勫嚱鏁?
          MatingPool[i] = population[SelectIndividual(Random(0,1))];
     }
     //-------綆鍗曚氦鍙?--------------------------
     //鐢變簬鍙湁4涓釜浣?閰嶅2嬈?
     for(int i=0;i<2;i++)
     {
          MatingPool.Parents[i].Mother = MatingPool.RandomPop();
          MatingPool.Parents[i].Father = MatingPool.RandomPop();
        }

     //浜ゅ弶鍚庡垱寤烘柊鐨勯泦鍥?
     population.Clean();
     foreach Parent in MatingPool.Parents
     {
          //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.
          child1 = Parent.Mother.DivHeader + Parent.Father.DivEnd;
          child2 = Parent.Father.DivHeader + Parent.Mother.DivEnd;
          population.push(child1);
          population.push(child2);
     }

灝忕粨:
閬椾紶綆楁硶涓渶閲嶈鐨勮繃紼嬪氨鏄夋嫨鍜屼氦鍙夈?
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)
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?



Coundy 2007-04-10 13:57 鍙戣〃璇勮
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鍔熻兘涓板瘜鐨?Perl: 閬椾紶綆楁硶浠跨湡澶氱粏鑳?yōu)鏈轰?/title><link>http://www.tkk7.com/coundy/articles/109178.html</link><dc:creator>Coundy</dc:creator><author>Coundy</author><pubDate>Sat, 07 Apr 2007 15:51:00 GMT</pubDate><guid>http://www.tkk7.com/coundy/articles/109178.html</guid><wfw:comment>http://www.tkk7.com/coundy/comments/109178.html</wfw:comment><comments>http://www.tkk7.com/coundy/articles/109178.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.tkk7.com/coundy/comments/commentRss/109178.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/coundy/services/trackbacks/109178.html</trackback:ping><description><![CDATA[銆浣滆?bitsCN鏁寸悊   <strong>鏉ユ簮:</strong>ChinaITLab <br><br>        鎴戠殑鍓嶄袱綃囧叧浜庝嬌鐢?Perl 瀹炵幇閬椾紶綆楁硶錛圙A錛夌殑鏂囩珷錛堝弬闃?鍙傝冭祫鏂欙級(jí)璁茶堪鐨勬槸涓綋緇嗚優(yōu)鐨勫彉寮備笌鐢熷懡鍛ㄦ湡錛屽畠鐨勯傚悎搴︼紙fitness錛夊畬鍏ㄤ緷璧栦簬瀹冧滑鑷繁鐨?DNA銆傛湰鏂囧皢浠嬬粛濡備綍浠跨湡涓涓緇嗚優(yōu)鏈轟綋銆傚叿浣撶殑搴旂敤紼嬪簭灝嗕細(xì)鐢熸垚鐢卞叾澶嶆潅鎬у拰姝g‘鎬у喅瀹氱殑瀛楄皽錛坙etter puzzles錛夈傝鑾峰緱 GA 鐨勮儗鏅煡璇嗭紝鎮(zhèn)ㄥ簲璇ュ幓鍙傝冨厛鍓嶇殑涓ょ瘒鏂囩珷銆?br>銆銆<br>銆銆涓綋緇嗚優(yōu)鏄瓧璋滀腑鐨勫瓧姣嶅潡錛坙etter tiles錛夈傚畠浠殑閫傚悎搴﹀皢鍙栧喅浜庡畠浠笌鎵鏈夊叾浠栫粏鑳?yōu)鐨劸l勫悎錛屾墍浠ワ紝鍦ㄥ簲鐢ㄤ簬涓婁笅鏂囦箣鍓嶏紝緇嗚優(yōu) DNA 鏈韓娌℃湁鎰忎箟銆傝屼笖錛?DNA 蹇呴』杈冮暱錛屼絾騫朵笉澶嶆潅銆傚畠鍙槸瑕佸憡璇夋垜浠換鎰忎竴涓壒瀹氱粏鑳?yōu)鍙兘浼?xì)榪炴帴鍒板摢浜涘瓧姣嶏紝褰撶劧錛屽畠涔熶細(xì)鍛婅瘔鎴戜滑榪欎釜鐗瑰畾緇嗚優(yōu)鐨勫瓧姣嶏紙涔熷彲鑳芥槸涓涓┖鍧楋級(jí)銆?br>銆銆<br>銆銆閭d箞錛岃鎴戜滑鏉ュ紑濮嬭璁?<br>銆銆<br>銆銆<strong>浠跨湡璁捐</strong><br>銆銆鏈変袱鏂歸潰鍩烘湰璁捐銆傞鍏堟槸涓綋緇嗚優(yōu)鐨勮璁★紝鍏舵鏄粏鑳?yōu)闂翠氦浜掔殑璁捐銆傛垜灝嗕粠涓綋緇嗚優(yōu)寮濮嬭璧楓?br>銆銆<br>銆銆鏈川涓婏紝姣忎釜緇嗚優(yōu)閮芥槸綰墊í鎷煎瓧璋滐紙crossword puzzle錛変腑鐨勪竴涓瓧姣嶃傞偅灝嗘槸 DNA 鐨勪竴涓墖孌點(diǎn)傝屼笖錛?DNA 灝嗗喅瀹氫竴涓粏鑳?yōu)涓庡叾浠栧瓧姣嶇殑閫傚悎紼嬪害銆傝繖鏍鳳紝瀵硅嫳鏂囩旱妯瓧璋滄潵璇達(dá)紝“an”鍜?#8220;he”灝嗘槸鍚堥傜殑緇勫悎錛岃?#8220;xz”灝嗕笉鏄傝繖騫朵笉鏄“xz”涓嶅彲鑳藉嚭鐜幫紝鑰屽彧鏄浣跨敤瀹冪敓鎴愮殑綰墊í瀛楄皽娌℃湁澶氶珮鐨勪環(huán)鍊箋傛垜灝嗕嬌鐢ㄤ竴涓瘝鍏革紝榪欎釜璇嶅吀榛樿浣嶄簬 GNU/Linux 緋葷粺鐨?/usr/share/dict/words 涓紙鑷沖皯鍦ㄦ垜鐨?Debian 緋葷粺涓槸榪欐牱 鈥斺?鍚﹀垯錛屽彲浠ヤ嬌鐢?whereis 鎴?locate 鍛戒護(hù)鏉ユ壘鍒板畠錛屽茍鐩稿簲鍦頒慨鏀?$words_file錛夈?br>銆銆<br>銆銆緇嗚優(yōu)涔嬮棿鐨勪氦浜掑皢鍙戠敓鍦ㄤ竴涓?N 涔?N 鐨勫瓧璋滀腑錛屽叾涓?N 鍦ㄥ懡浠よ涓粰瀹氾紝榛樿涓?10銆傚湪浠諱綍鏃跺埢閮戒細(xì)鏈?N^2 涓粏鑳?yōu)琚変腑錛岀暀涓?N*2 涓粏鑳?yōu)锛堟墍浠ワ紝鍦ㄤ竴涓?10x10 瀛楄皽鐨勫驚鐜懆鏈熶腑錛屾誨叡鏈?120 涓粏鑳?yōu)锛?jí)銆傝繖浜涙暟瀛楁槸浠繪剰鐨勶紝涓嶅お閲嶈錛屽彧涓嶈繃錛屼竴涓ぇ鐨?#8220;鏃犻檺鍒?#8221;鐨勬睜灝嗕嬌緇嗚優(yōu)閫夋嫨鐨勫肩殑閫傚悎搴﹂檷浣庯紝鑰屼竴涓皬鐨勬睜灝嗛檺鍒跺厓绱犵殑鏈轟細(xì)銆?br>銆銆<br>銆銆鎮(zhèn)ㄥ簲璇ヨ浣忥紝榪欓噷鐨勭洰鏍囦笉鏄敓鎴?#8220;姝g‘”鐨勮В鍐蟲柟妗?鈥斺?娌℃湁榪欐牱鐨勮В鍐蟲柟妗堛傜洰鏍囨槸浠跨湡緇嗚優(yōu)涔嬮棿鐨勪氦浜掞紝鐗瑰埆瑕佹敞鎰忓鉤琛″瓧姣嶇粏鑳?yōu)鎵闇瑕佺殑絀哄潡緇嗚優(yōu)銆?br>銆銆<br>銆銆浠庡垵濮嬬粏鑳?yōu)姹犱腑瀵咕l嗚優(yōu)鐨勯夋嫨鐢卞瓧姣嶅叧鑱旀ф潵瀹屾垚銆傚鏋滃湪瀛楄皽鏉匡紙puzzle board錛変笂娌℃湁鍏朵粬緇嗚優(yōu)錛岄偅涔堜換浣曠粏鑳?yōu)閮芥槸鍙互鐨勩備笉榪囷紝濡傛灉紼嬪簭姝e湪涓轟竴涓笌“A”鍜?#8220;Q”鐩擱偦鐨勫潡鏉ラ夋嫨緇嗚優(yōu)錛岄偅涔?#8220;A”鍜?#8220;Q”鐨勭粏鑳?yōu)鍏宠仈鎬у氨鏈夊叧緋諱簡(jiǎn)銆傚洜姝わ紝緇嗚優(yōu)鍏寵仈鎬ф槸 DNA 鐨勪竴涓熀鏈儴鍒嗭紝鍜岀粏鑳?yōu)鐨勫瓧姣嶄竴鏍峰彈鍒板彉寮傜殑褰卞搷銆傜粏鑳?yōu)鍏宠仈鎬х殑鑼冨洿鏄?0 鍒?255錛屾墍浠ュ彲浠ユ柟渚垮湴鐢?DNA 鐨勪竴涓瓧鑺傛潵鎻忚堪瀹冦?br>銆銆<br>銆銆鏈鍚庯紝鎴戝皢緙撳瓨緇嗚優(yōu)鎵鏋勬垚鐨勮瘝銆傛垜涓嶄細(xì)閲囩敤榪欑綆鍗曠殑鏂規(guī)硶錛氶夊嚭姣忎釜鍧楀茍鎸囧嚭瀹冩瀯鎴愬摢浜涜瘝銆傛?zhèn)ㄦ兂鐭ラ亾湄?fù)浠涔堝悧錛熷洜涓烘垜璇曡繃閭g鏂規(guī)硶錛屼負(fù)浜?jiǎn)寰楀埌姝<嫯鐨勬栆?guī)硶錛屾氮璐逛簡(jiǎn)濂藉涓皬鏃剁殑鏃墮棿錛岃屼笖瀹冨茍涓嶅揩!<br>銆銆<br>銆銆鎴戠殑鏂規(guī)硶鏄紝浠庡乏鍒板彸錛屼粠涓婂埌涓嬪璋滄澘榪涜鎵弿錛堜袱閬嶏紝榪欐槸涓轟簡(jiǎn)寰楀埌鍨傜洿鏂瑰悜鍜屾按騫蟲柟鍚戠殑璇嶏級(jí)銆傚綋鎵懼埌涓涓瘝鍚庯紝鎴戜細(xì)璁頒綇鏋勬垚閭d釜璇嶇殑緇嗚優(yōu)錛岀劧鍚庡皢閭d釜璇嶆坊鍔犲埌鎵鏈夐偅浜涚粏鑳?yōu)鐨勮瘝缂撳瓨涓傝瘝緙撳瓨鏄竴涓暟緇勶紝涓嶆槸鏁e垪琛紝鍙嶆槧鍑轟簨瀹炰笂鍚屼竴涓瘝鍙互鍑虹幇鍦ㄦ按騫蟲柟鍚戜笂錛屼篃鍙互鍑虹幇鍦ㄥ瀭鐩存柟鍚戜笂錛屼絾緇嗚優(yōu)鍙兘褰掍簬涓涓繖鏍風(fēng)殑璇嶃傚浜庡井涓嶈凍閬撶殑緇嗚優(yōu)鏉ヨ錛岄偅灝嗘槸鏋佸叾涓嶅叕騫崇殑銆?br>銆銆<br>銆銆瀵逛簬璋滄澘鑰岃█錛屽畠鏄竴涓畝鍗曠殑鏁e垪琛ㄣ傛垜灝濊瘯榪囦嬌鐢ㄥ祵濂楁暟緇勬潵浠跨湡涓涓煩闃碉紝涓嶈繃娌℃湁蹇呰閭d箞楹葷儲(chǔ)銆傛垜鍙渶瑕佷嬌鐢ㄤ竴涓叿鏈?x y 閿殑綆鍗曟暎鍒楄〃灝卞彲浠ュ畬鎴愪豢鐪熴傚敮涓鎵闇瑕佺殑鏄犲皠鏄?xy2index() 鍑芥暟錛涙垜緙栧啓浜?jiǎn)涓涓悕涓?index2xy() 鐨勫弽鍚戞槧灝勫嚱鏁幫紝浣嗘槸娌″繀瑕佷嬌鐢ㄥ畠銆?br>銆銆<br>銆銆<strong>涓庡厛鍓嶆枃绔犵殑涓嶅悓涔嬪</strong><br>銆銆鏈枃涓殑紼嬪簭鏄垜鍏堝墠鎾板啓鐨勪袱綃囬仐浼犵畻娉曟枃绔犱腑 GA 浠跨湡紼嬪簭鐨勬敼榪涚増鏈傚熀浜庤鑰?Matt Neuberg 鐨勫緩璁紝浠ュ強(qiáng)鎴戞湰浜虹殑緇忛獙錛屾垜鍋氫簡(jiǎn)涓浜涗慨鏀廣?br>銆銆<br>銆銆select_parents() 鏄笉涓ユ牸鐨勶紝鍥犱負(fù)瀹冨皢涓嶉傚悎鐨勪翰鏈紙parents錛夌暀鍦ㄧ緹わ紙population錛変腑錛屽嵆浣垮畠浠殑閫傚悎搴︿負(fù) 0錛屼笉鍙兘琚夋嫨銆備負(fù)浜?jiǎn)绾犳閭d竴鐐癸紝鎴戞坊鍔犱簡(jiǎn)涓涓澶栫殑 grep() 璋冪敤銆?br>銆銆<br>銆銆recombine() 鍑芥暟<br>銆銆鎴戝簲璇ユ彁閱掓?zhèn)ㄥQ屽熀浜庝翰鏈殑閫傚悎搴︼紝浜叉湰縐嶇兢鍖呭惈鏈夊浜叉湰鐨勫涓紩鐢ㄣ備翰鏈秺閫傚悎錛屽湪浜叉湰縐嶇兢涓嚭鐜扮殑嬈℃暟灝變細(xì)澶氾紝鍥犺屽氨浼?xì)鏈夋洿澶氭溵Z細(xì)綣佹畺涓嬪幓銆?br>銆銆<br>銆銆recombine() 浣跨敤 List::Util shuffle() 鍑芥暟鏉ラ殢鏈虹粍鍚堜翰鏈緹ゃ傝繖鏍峰仛鐨勬晥鏋滃ソ浜庨夋嫨闅忔満浜叉湰騫朵繚鎸佸鍝簺宸茬粡鏄翰鏈殑榪借釜銆傚彟澶栵紝浠ュ墠絎簩涓翰鏈槸闅忔満閫夋嫨鍑烘潵鐨勶紝鑰屼笖鎴戣涓鴻繖鏍鋒槸瀵規(guī)紨鍖栫殑鐩稿綋鍑嗙‘鐨勬弿榪幫紝浣嗘槸鎴戞敼鍙樹簡(jiǎn)閭g鏂規(guī)硶錛岄氳繃灝嗗畠浠粠浜叉湰縐嶇兢涓夋嫨鍑烘潵鐒跺悗鍐嶆彃鍏ュ洖鍘葷殑鏂瑰紡錛屽熀浜庡畠浠殑閫傚悎搴︽潵閫夋嫨絎簩涓翰鏈?br>銆銆<br>銆銆娓呭崟 1. recombine() 鍑芥暟<br>銆銆<br>銆銆sub recombine<br>銆銆{<br>銆銆my $population = shift @_;<br>銆銆my $pop_size = scalar @$population; # population size<br>銆銆my @parent_population;<br>銆銆my @new_population;<br>銆銆<br>銆銆my $total_parent_slots = 0;<br>銆銆<br>銆銆$total_parent_slots += $_->{parent}<br>銆銆foreach @$population;<br>銆銆<br>銆銆my $position = 0;<br>銆銆<br>銆銆foreach my $individual (@$population)<br>銆銆{<br>銆銆foreach my $parenting_opportunity (1 .. $individual->{parent})<br>銆銆{<br>銆銆push @parent_population, $individual;<br>銆銆}<br>銆銆$individual->{parent} = 0;<br>銆銆}<br>銆銆<br>銆銆@parent_population = shuffle @parent_population;<br>銆銆<br>銆銆while (1)<br>銆銆{<br>銆銆# this could result in a parent breeding with itself, which is not a big deal<br>銆銆my $parent = shift @parent_population;<br>銆銆my $parent2 = shift @parent_population;<br>銆銆my $out_of_parents = 0;<br>銆銆<br>銆銆# when we're out of parents...<br>銆銆unless (defined $parent2)<br>銆銆{<br>銆銆$parent2 = $parent;<br>銆銆$out_of_parents = 1;<br>銆銆}<br>銆銆<br>銆銆my $child = { survived => 1, parent => 0, fitness => 0, dna => 0 };<br>銆銆<br>銆銆# this is breeding!<br>銆銆my $dna1 = $parent->{dna};<br>銆銆my $dna2 = $parent2->{dna};<br>銆銆<br>銆銆# note we do operations on BYTES, not BITS.銆This is because bytes<br>銆銆# are the unit of information (and preserving them is the faster<br>銆銆# breeding method)<br>銆銆foreach my $byte (1 .. $dna_byte_length)<br>銆銆{<br>銆銆# get one byte from either parent (the parent choice is random) and add it to the child<br>銆銆vec($child->{dna}, $byte-1, 8) = vec(((rand() < 0.5) ? $dna1 : $dna2), $byte-1, 8);<br>銆銆}<br>銆銆<br>銆銆push @new_population, $child; # the child is now a part of the new generation<br>銆銆push @parent_population, $parent2; # use the second parent again, but at the tail end<br>銆銆last if $out_of_parents;<br>銆銆}<br>銆銆<br>銆銆return \@new_population;<br>銆銆}<br>銆銆<br>銆銆娉ㄦ剰錛屽鏋滄渶鍚庝竴涓翰鏈伆濂芥槸鑷翰鏈緹や腑鑾峰緱鐨勶紝搴旇濡備綍鍘昏緗?$out_of_parents錛涢偅鏄煩鍑轟翰鏈夋嫨寰幆鐨勫敮涓閫斿緞銆?br>銆銆<br>銆銆<strong>鏋勫緩瀛楄皽</strong><br>銆銆瀛楄皽緗戞牸鐢辯浉搴旂殑鍚嶄負(fù) build_puzzle() 鐨勫嚱鏁版潵鏋勫緩銆傜緹や腑鐨勬瘡涓涓釜浣撶粏鑳?yōu)閮藉湪鍐呴儴瀛樺偍浜?jiǎn)涓涓綉鏍間綅緗紝鎵浠ワ紝褰撴垜鎯寵鎵懼埌鏌愪釜緇嗚優(yōu)鐨勭綉鏍間綅緗椂錛屼笉蹇呮悳绱㈢綉鏍兼垨鑰呯淮鎸佷竴涓閮ㄦ暎鍒楄〃銆傛瘡涓涓釜浣撹繕鎷ユ湁涓涓?#8220;鍗曡瘝”鏁扮粍寮曠敤錛屽湪榪欎釜鏁扮粍涓繚鎸佹湁鍦ㄨ鐢熻繃紼嬩腑閭d釜涓綋鐢熸垚鐨勫崟璇嶃?br>銆銆<br>銆銆鍙﹀錛屾垜涓烘瘡涓粏鑳?yōu)璧嬩簣浜?jiǎn)涓涓?ID 灞炴э紝涓嶈繃鍙槸浣跨敤瀹冩潵媯(gè)鏌ョ畻娉曠殑姝g‘鎬с?br>銆銆<br>銆銆鍦?build_puzzle() 涓紝鎵鏈夌殑涓綋閮藉畨緗簬 @puzzle_population銆傛垜鍋氫簡(jiǎn)涓涓?@puzzle_population 鐨勬嫹璐濓紝榪欐牱鎴戝彲浠ヤ粠瀹冮噷闈㈠幓鍒犻櫎涓綋錛屼互浣垮緱瀵逛釜浣撶殑鏀瑰彉涓嶄細(xì)鏄案涔呯殑 鈥斺?瀹冩槸涓涓祬鎷瘋礉錛坰hallow copy錛夈傞夋嫨鍧楃殑欏哄簭鏄殢鏈虹殑錛屽啀嬈′嬌鐢ㄤ簡(jiǎn) List::Util::shuffle()銆傛敞鎰忥紝鎵鏈夌殑浣嶇疆閮藉瓨鍌ㄥ湪涓涓?[x,y] 鏁扮粍涓傞偅鏍鳳紝鏁版嵁鍙互鍍忓崟涓鐨勫弬鏁頒竴鏍蜂紶閫掞紝鑰屼笉鏄涓弬鏁般?br>銆銆<br>銆銆娓呭崟 2. build_puzzle() 鍑芥暟<br>銆銆<br>銆銆sub build_puzzle<br>銆銆{<br>銆銆my $population = shift @_;<br>銆銆<br>銆銆my @puzzle_population = @$population; # make a local copy we can alter<br>銆銆<br>銆銆my $i = 0;<br>銆銆foreach (@puzzle_population)<br>銆銆{<br>銆銆$_->{id} = $i++;<br>銆銆$_->{position} = undef;<br>銆銆$_->{words} = [];<br>銆銆}<br>銆銆<br>銆銆my $puzzle = {};<br>銆銆<br>銆銆my @positions;<br>銆銆<br>銆銆foreach my $row (0 .. $size-1)<br>銆銆{<br>銆銆foreach my $column (0 .. $size-1)<br>銆銆{<br>銆銆push @positions, [$row, $column];<br>銆銆}<br>銆銆}<br>銆銆<br>銆銆foreach my $p (shuffle @positions)<br>銆銆{<br>銆銆my $row銆銆= $p->[0];<br>銆銆my $column = $p->[1];<br>銆銆<br>銆銆my $cell =銆choose_tile(\@puzzle_population, $puzzle, $p);<br>銆銆$cell->{position} = $p;<br>銆銆$puzzle->{xy2index($p)} = $cell;<br>銆銆}<br>銆銆<br>銆銆return $puzzle;<br>銆銆}<br>銆銆<br>銆銆娉ㄦ剰錛屼笂闈㈢殑 recombine() 鍜?build_puzzle()涓紝浠ュ強(qiáng)紼嬪簭鎵鏈夊叾浠栦綅緗紝閮芥病鏈夌被浼間簬 $i 鐨勮鏁板櫒銆傜敱浜?Perl 娌℃湁鍐呭瓨鍒嗛厤闂錛屾墍浠ュ鎴戞潵璇寸己闄風(fēng)殑鏈涓昏鏉ユ簮灝辨槸榪借釜璁℃暟鍣ㄥ彉閲忕殑閿欒錛堥敊璇殑鍒濆鍖栵紝閿欒鐨勫閲忥紝鎴栬呴敊璇殑杈圭晫錛夈傝繖騫朵笉鏄鎴戝湪緙栧啓 Perl 紼嬪簭鐨勬椂鍊欏嚭鐜頒簡(jiǎn)寰堝緙洪櫡錛屽彧鏄垜鍙戠幇璁℃暟鍣ㄥ彉閲忎細(xì)澧炲姞浣跨敤鏃跺嚭鐜扮己闄風(fēng)殑鍙兘鎬с?br>銆銆<br>銆銆鐜板湪鐧誨満鐨勬槸 choose_tile()銆傚瓧璋滀腑鐨勬瘡涓涓綉鏍間綅緗兘浼?xì)璋冪敤瀹冩潵閫夋嫨涓涓皢鎴愪負(fù)瀛楄皽鍧楃殑緇嗚優(yōu)銆傚湪涓虹綉鏍?<br> <img src ="http://www.tkk7.com/coundy/aggbug/109178.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/coundy/" target="_blank">Coundy</a> 2007-04-07 23:51 <a href="http://www.tkk7.com/coundy/articles/109178.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item></channel></rss> <footer> <div class="friendship-link"> <p>感谢您访问我们的网站,您可能还对以下资源感兴趣:</p> <a href="http://www.tkk7.com/" title="亚洲av成人片在线观看">亚洲av成人片在线观看</a> <div class="friend-links"> </div> </div> </footer> 主站蜘蛛池模板: <a href="http://717795.com" target="_blank">亚洲国产黄在线观看</a>| <a href="http://www-3499.com" target="_blank">亚洲精品资源在线</a>| <a href="http://huafagz.com" target="_blank">在线视频亚洲一区</a>| <a href="http://www91v.com" target="_blank">女人18毛片水真多免费看 </a>| <a href="http://langtuojidian.com" target="_blank">亚洲熟女精品中文字幕</a>| <a href="http://lzlcp.com" target="_blank">免费一级毛片在线播放放视频</a>| <a href="http://1444000.com" target="_blank">国内精品免费久久影院</a>| <a href="http://246210.com" target="_blank">久久久久免费看黄A片APP</a>| <a href="http://www137av.com" target="_blank">在线免费观看亚洲</a>| <a href="http://zzyqr.com" target="_blank">在线美女免费观看网站h</a>| <a href="http://7x966.com" target="_blank">亚洲精品自产拍在线观看动漫</a>| <a href="http://sdyzzs.com" target="_blank">国产精品久久久久久亚洲影视</a>| <a href="http://www454yu.com" target="_blank">麻豆国产入口在线观看免费</a>| <a href="http://w6626.com" target="_blank">在线观看亚洲精品专区</a>| <a href="http://732r.com" target="_blank">avtt亚洲天堂</a>| <a href="http://peipeixiu.com" target="_blank">亚洲H在线播放在线观看H</a>| <a href="http://btztjxc.com" target="_blank">sss在线观看免费高清</a>| <a href="http://wankufan.com" target="_blank">最新猫咪www免费人成</a>| <a href="http://8222se.com" target="_blank">国产亚洲精品VA片在线播放</a>| <a href="http://ww11axax.com" target="_blank">女人被弄到高潮的免费视频</a>| <a href="http://998wc.com" target="_blank">亚洲丁香婷婷综合久久</a>| <a href="http://gttest5.com" target="_blank">131美女爱做免费毛片</a>| <a href="http://cc006.com" target="_blank">亚洲精品成人片在线播放</a>| <a href="http://yisaoma.com" target="_blank">国产免费无码AV片在线观看不卡</a>| <a href="http://www-xg5777.com" target="_blank">亚洲成a人片在线观看日本</a>| <a href="http://cqyouyongpx.com" target="_blank">久久国产免费观看精品3</a>| <a href="http://meijibear.com" target="_blank">亚洲一级高清在线中文字幕</a>| <a href="http://www-840012.com" target="_blank">女人张腿给男人桶视频免费版</a>| <a href="http://33303339.com" target="_blank">国产精品亚洲va在线观看</a>| <a href="http://228609.com" target="_blank">国产成人精品曰本亚洲79ren</a>| <a href="http://fholaer.com" target="_blank">香蕉视频在线免费看</a>| <a href="http://3344by.com" target="_blank">波多野结衣视频在线免费观看</a>| <a href="http://xin-matai.com" target="_blank">亚洲精品无码久久毛片波多野吉衣</a>| <a href="http://pufenghotel.com" target="_blank">99视频全部免费精品全部四虎 </a>| <a href="http://avyjj.com" target="_blank">亚洲日韩中文在线精品第一</a>| <a href="http://njyadi.com" target="_blank">亚洲午夜精品第一区二区8050</a>| <a href="http://wwwseselu.com" target="_blank">亚洲国产人成在线观看69网站</a>| <a href="http://sqmdjz.com" target="_blank">51午夜精品免费视频</a>| <a href="http://963315.com" target="_blank">亚洲人成网址在线观看</a>| <a href="http://yyfass.com" target="_blank">67194成是人免费无码</a>| <a href="http://gdsanhai.com" target="_blank">欧亚一级毛片免费看</a>| <script> (function(){ var bp = document.createElement('script'); 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