{"id":535,"date":"2016-12-03T13:04:17","date_gmt":"2016-12-03T05:04:17","guid":{"rendered":"http:\/\/yaochenkun.site\/?p=535"},"modified":"2024-11-23T15:54:05","modified_gmt":"2024-11-23T07:54:05","slug":"gene_article","status":"publish","type":"post","link":"http:\/\/yaochenkun.site\/index.php\/2016\/12\/03\/gene_article\/","title":{"rendered":"\u9057\u4f20\u7b97\u6cd5\u89e3 TSP1-\u6982\u8ff0"},"content":{"rendered":"<h3>\u5f15\u8a00<\/h3>\n<p style=\"text-align: justify;\">\u9057\u4f20\u7b97\u6cd5\u662f\u7531\u7f8e\u56fd\u7684 Holland \u6559\u6388\u4e8e 1975 \u5e74\u5728\u4ed6\u7684\u4e13\u8457\u300a\u81ea\u7136\u754c\u548c\u4eba\u5de5\u7cfb\u7edf\u7684\u9002\u5e94\u6027\u300b\u4e2d\u9996\u5148\u63d0\u51fa\u7684\uff0c\u5b83\u662f\u4e00\u7c7b\u501f\u9274\u751f\u7269\u754c\u81ea\u7136\u9009\u62e9\u548c\u81ea\u7136\u9057\u4f20\u673a\u5236\u7684\u968f\u673a\u641c\u7d22\u7b97\u6cd5\u3002\u9057\u4f20\u7b97\u6cd5\u6a21\u62df\u81ea\u7136\u9009\u62e9\u548c\u81ea\u7136\u9057\u4f20\u8fc7\u7a0b\u4e2d\u53d1\u751f\u7684\u7e41\u6b96\u3001\u4ea4\u53c9\u548c\u57fa\u56e0\u7a81\u53d8\u73b0\u8c61\uff0c\u5728\u6bcf\u6b21\u8fed\u4ee3\u4e2d\u90fd\u4fdd\u7559\u4e00\u7ec4\u5019\u9009\u89e3\uff0c\u5e76\u6309\u67d0\u79cd\u6307\u6807\u4ece\u89e3\u7fa4\u4e2d\u9009\u53d6\u8f83\u4f18\u7684\u4e2a\u4f53\uff0c\u5229\u7528\u9057\u4f20\u7b97\u5b50( \u9009\u62e9\u3001\u4ea4\u53c9\u548c\u53d8\u5f02) \u5bf9\u8fd9\u4e9b\u4e2a\u4f53\u8fdb\u884c\u7ec4\u5408\uff0c\u4ea7\u751f\u65b0\u4e00\u4ee3\u7684\u5019\u9009\u89e3\u7fa4\uff0c\u91cd\u590d\u6b64\u8fc7\u7a0b\uff0c\u76f4\u5230\u6ee1\u8db3\u67d0\u79cd\u6536\u655b\u6307\u6807\u4e3a\u6b62\u3002\u5176\u5de5\u4f5c\u6d41\u7a0b\u53ef\u4ee5\u6982\u62ec\u6210\u4e0b\u56fe\uff1a<\/p>\n<h3><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-926 \" src=\"http:\/\/yaochenkun.site\/wp-content\/uploads\/2016\/12\/gene_flowchart.jpg\" alt=\"gene_flowchart\" width=\"122\" height=\"520\" \/><\/h3>\n<p style=\"text-align: justify;\">\u9700\u8981\u6307\u51fa\u7684\u662f\uff0c\u9002\u5e94\u5ea6\u51fd\u6570\u3001\u9009\u62e9\u3001\u4ea4\u53c9\u548c\u53d8\u5f02\u64cd\u4f5c\u5747\u8981\u6839\u636e\u5b9e\u9645\u95ee\u9898\u8fdb\u884c\u7075\u6d3b\u53d8\u66f4\uff0c\u5e76\u975e\u56fa\u5b9a\u6a21\u5f0f\u3002\u672c\u6587\u4e0b\u9762\u9488\u5bf9TSP\u8fd9\u4e2a\u7279\u5b9a\u95ee\u9898\uff0c\u7ed9\u51fa\u5b9e\u9645\u91c7\u7528\u7684\u65b9\u6848\u3002<\/p>\n<h3 style=\"text-align: justify;\">\u5b9e\u73b0\u601d\u8def<\/h3>\n<p style=\"text-align: justify;\">\u672c\u6587\u91c7\u7528\u9762\u5411\u5bf9\u8c61\u601d\u60f3\u5b9e\u73b0\uff0c\u5206\u522b\u521b\u5efa\u4e86\u5982\u4e0b\u7684\u82e5\u5e72\u7c7b\uff1a<\/p>\n<ul>\n<li style=\"text-align: justify;\">GeneticAlgorithm\uff1a\u9057\u4f20\u7b97\u6cd5\u7c7b\uff0c\u5de5\u4f5c\u6d41\u7a0b\u73af\u8282\u5bf9\u5e94\u7684\u82e5\u5e72\u64cd\u4f5c\u5747\u7531\u8be5\u7c7b\u5b9e\u73b0<\/li>\n<li style=\"text-align: justify;\">SpeciesNode\uff1a\u7269\u79cd\u7ed3\u70b9\u7c7b\uff0c\u542b\u6709\u57fa\u56e0\u5e8f\u5217\u3001\u8def\u5f84\u957f\u5ea6\u3001\u9002\u5e94\u5ea6\u7b49\u53c2\u6570<\/li>\n<li style=\"text-align: justify;\">List&lt;SpeciesNode&gt;\uff1a\u79cd\u7fa4\u94fe\u8868\u7c7b\uff0c\u94fe\u63a5\u7269\u79cd\u6784\u6210\u79cd\u7fa4\u7684\u7c7b<\/li>\n<li style=\"text-align: justify;\">Constant\uff1a\u5e38\u91cf\u7c7b\uff0c\u5b58\u50a8\u5730\u56fe\u6570\u636e\u3001\u79cd\u7fa4\u4e0a\u9650\u6570\u3001\u8fdb\u5316\u4ee3\u6570\u3001\u4ea4\u53c9\u6982\u7387\u3001\u53d8\u5f02\u6982\u7387\u7b49\u53c2\u6570<\/li>\n<\/ul>\n<h3>\u521d\u59cb\u5316\u79cd\u7fa4<\/h3>\n<p style=\"text-align: justify;\">\u4e0d\u7ba1\u8fd9\u4e2a\u9057\u4f20\u7b97\u6cd5\u6709\u591a\u5c11\u9053\u5de5\u5e8f\uff0c\u6bcf\u9053\u5de5\u5e8f\u591a\u4e48\u590d\u6742\uff0c\u603b\u5f97\u6709\u4e2a\u5f00\u59cb\u70b9\u5427\u3002\u90a3\u4e48\u7b2c\u4e00\u9053\u5de5\u5e8f\uff0c\u5c31\u662f\u8981\u521d\u59cb\u5316\u4e00\u6ce2\u5404\u5f0f\u5404\u6837\u3001\u4e0d\u540c\u7c7b\u578b\u7269\u79cd\uff08\u8868\u73b0\u5728\u7a0b\u5e8f\u4e0a\u5c31\u662f\u57fa\u56e0\u5e8f\u5217\u5373\u57ce\u5e02\u5e8f\u5217\u4e0d\u540c\uff09\u6784\u6210\u7684\u79cd\u7fa4\u3002\u6240\u4ee5\u6211\u4eec\u5148\u521b\u5efa\u4e00\u4e2a\u79cd\u7fa4\u7c7b\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"null\">class SpeciesNode \n{\t\n    int[] genes;\/\/\u57fa\u56e0\u5e8f\u5217\n    float distance;\/\/\u8def\u7a0b\n    float fitness;\/\/\u9002\u5e94\u5ea6\n    float\u00a0rate;\/\/\u8f6e\u8d4c\u6982\u7387\n\n    \/\/\u6784\u9020\u51fd\u6570\n    ......\n    \n    \/\/\u751f\u6210\u521d\u59cb\u57fa\u56e0\n    void createGenes()\n    {\n        \/\/\u521d\u59cb\u5316\u57fa\u56e0\u4e3a1-CITY_NUM\u5e8f\u5217\n        for(int i = 0;i &lt; genes.length;i++)\n            genes[i]=i+1;\n        \n        \/\/\u83b7\u53d6\u968f\u673a\u79cd\u5b50\n        Random rand=new Random();\n\n        for(int j=0;j&lt;genes.length;j++)\n        {\n            int num= j + rand.nextInt(genes.length-j);\n            \n            \/\/\u4ea4\u6362\n            int tmp;\n            tmp=genes[num];\n            genes[num]=genes[j];\n            genes[j]=tmp;\n        }\n    }\n    \n    \/\/\u8ba1\u7b97\u9002\u5e94\u5ea6\n    void calFitness()\n    {\n        ......\n    }\n}<\/pre>\n<p style=\"text-align: justify;\">\u524d\u9762\u63d0\u8fc7\uff0c\u57fa\u56e0\u5e8f\u5217genes\u5bf9\u5e94\u7740\u57ce\u5e02\u5e8f\u5217\uff0c\u5373\u76f8\u5f53\u4e8e\u6709\u4e86\u4e00\u6761\u5de1\u56de\u8def\u7ebf\u3002\u4e0a\u9762\u7684createGenes()\u51fd\u6570\u91c7\u7528\u968f\u673a\u7b56\u7565\u521d\u59cb\u5316\u51fa\u4e86\u4e00\u6bb5\u57fa\u56e0\u5e8f\u5217\uff0c\u4f46\u4e8b\u5b9e\u4e0a\u4e0d\u6b62\u8fd9\u4e00\u79cd\u521d\u59cb\u5316\u7b56\u7565\uff0c\u8fd8\u6709\u4e00\u79cd\u4f7f\u7528\u8f83\u591a\u7684\u662f\u201c\u8d2a\u5a6a\u7b56\u7565\u201d\uff0c\u5b83\u53ef\u4ee5\u5728\u521d\u59cb\u5316\u7684\u65f6\u5019\u5c31\u5feb\u901f\u5730\u9501\u5b9a\u5728\u4e00\u6ce2\u8def\u7ebf\u90fd\u8f83\u77ed\u7684\u79cd\u7fa4\uff0c\u5176\u7b97\u6cd5\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n<p style=\"text-align: justify;\"><strong>Step1 \u00a0<\/strong>\u968f\u673a\u521d\u59cb\u5316\u4e00\u4e2a\u8d77\u59cb\u57ce\u5e02\\({n_i}\\)\uff0c\u8ffd\u52a0\u81f3genes<\/p>\n<p style=\"text-align: justify;\"><strong>Step2 \u00a0<\/strong>\u82e5genes\u5df2\u6ee1\uff0c\u8f6c<strong>Step4<\/strong>\uff1b\u53cd\u4e4b\uff0c\u9009\u51fa\u4ece\\({n_i}\\)\u51fa\u53d1\u5230\u5176\u5b83\u6240\u6709\u57ce\u5e02\u4e2d\u8def\u7ebf\u6700\u77ed\u7684\u57ce\u5e02\\({n_j}\\)<\/p>\n<p style=\"text-align: justify;\"><strong>Step3 \u00a0<\/strong>\u5c06\\({n_j}\\)\u8ffd\u52a0\u81f3genes\uff0c\u4f5c\u4e3a\u65b0\u7684\\({n_i}\\)\uff0c\u8f6c<strong>Step2<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>Step4<\/strong>\u00a0 \u751f\u6210genes\uff0c\u7ed3\u675f<\/p>\n<p style=\"text-align: justify;\">\u5177\u4f53\u843d\u5b9e\u5230\u4ee3\u7801\u5b9e\u73b0\u4e0a\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e2a\u7c7b\u578b\u4e3aHashMap&lt;Integer&gt;\u7684\u7981\u5fcc\u8868\u8bb0\u5f55\u5df2\u7ecf\u52a0\u5165genes\u7684\u57ce\u5e02\uff0c\u4ee5\u4fbf\u5728\u7b5b\u9009\u6700\u77ed\u57ce\u5e02\u7684\u65f6\u5019\uff0c\u53ef\u4ee5\u7528\u5b83\u7684contains\u65b9\u6cd5\u5148\u5feb\u901f\u5224\u65ad\u4e0b\u8be5\u57ce\u5e02\u662f\u5426\u5df2\u52a0\u5165genes\uff0c\u4ece\u800c\u4e0d\u518d\u53c2\u4e0e\u4e0b\u4e00\u6b65\u8def\u7ebf\u957f\u5ea6\u7684\u8c01\u5c0f\u7684\u6bd4\u8f83\u8fd0\u7b97\uff0c\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u7f13\u89e3\u4e86\u904d\u5386genes\u7684\u4f4e\u6548\u3002\u5177\u4f53\u4ee3\u7801\u8fd9\u91cc\u5c31\u4e0d\u8d34\u51fa\u6765\u5566\u3002<\/p>\n<p style=\"text-align: justify;\">\u8fd9\u79cd\u7b56\u7565\u770b\u4f3c\u63d0\u5347\u4e86\u6548\u7387\uff0c\u4f46\u5374\u4e5f\u5f80\u5f80\u5bb9\u6613\u9677\u5165\u5c40\u90e8\u6700\u4f18\u89e3\uff0c\u56e0\u4e3a\u6709\u65f6\u4e00\u4e2a\u5f53\u524d\u770b\u8d77\u6765\u8f83\u6b21\u7684\u89e3\uff0c\u5f88\u6709\u53ef\u80fd\u5728\u7ecf\u8fc7\u51e0\u8f6e\u9009\u62e9\u3001\u4ea4\u53c9\u3001\u53d8\u5f02\u540e\u8d85\u8d8a\u4e4b\u524d\u4fdd\u7559\u7684\u90a3\u4e9b\u5c40\u90e8\u6700\u4f18\u89e3\uff0c\u7a76\u5176\u539f\u56e0\u6211\u76ee\u524d\u4e5f\u662f\u5f88\u56f0\u60d1\uff0c\u6216\u8bb8\u8fd9\u5c31\u662f\u968f\u673a\u7b97\u6cd5\u7684\u9b45\u529b\u5427\uff0c\u6216\u8005\u53ef\u4ee5\u8bf4\u662f\u5927\u81ea\u7136\u8fdb\u5316\u7684\u795e\u5947\u3002<\/p>\n<p style=\"text-align: justify;\">\u65e2\u7136\u6709\u4e86genes\uff0c\u90a3\u5c31\u7acb\u9a6c\u53ef\u4ee5\u7b97\u51fa\u8fd9\u6761\u8def\u7ebf\u7684\u957f\u5ea6distance\u4e86\uff0c\u8fdb\u800c\u6211\u4eec\u53c8\u53ef\u4ee5\u901a\u8fc7distance\u7b97\u51fa\u8be5\u7269\u79cd\u7684\u9002\u5e94\u5ea6fitness\u3002\u4e0b\u9762\u6211\u4eec\u5c31\u6765\u770b\u770b\u8fd9\u4e2a\u9002\u5e94\u5ea6\u51fd\u6570\u662f\u600e\u4e48\u628adistance\u6620\u5c04\u6210fitness\u7684\u3002<\/p>\n<h3 class=\"EnlighterJSRAW\" style=\"text-align: justify;\" data-enlighter-language=\"null\">\u8ba1\u7b97\u9002\u5e94\u5ea6<\/h3>\n<p style=\"text-align: justify;\">\u9002\u5e94\u7531\u9002\u5e94\u5ea6\u51fd\u6570\u4ea7\u751f\uff0c\u662f\u63cf\u8ff0\u4e2a\u4f53\u6027\u80fd\u597d\u574f\u7684\u4e3b\u8981\u6307\u6807\uff0c\u6839\u636e\u9002\u5e94\u5ea6\u7684\u5927\u5c0f\u5bf9\u4e2a\u4f53\u8fdb\u884c\u4f18\u80dc\u52a3\u6c70\u3002\u9002\u5e94\u5ea6\u51fd\u6570\u7684\u9009\u62e9\u5bf9\u7b97\u6cd5\u6536\u655b\u6027\u3001\u6536\u655b\u901f\u5ea6\u7684\u5f71\u54cd\u5f88\u5927\uff0c\u9488\u5bf9\u4e0d\u540c\u7684\u95ee\u9898\u9700\u8981\u6839\u636e\u7ecf\u9a8c\u6765\u786e\u5b9a\u76f8\u5e94\u7684\u53c2\u6570\u3002\u4e0b\u9762\u6211\u4eec\u5c31\u8ba8\u8bba\u4e0bTSP\u95ee\u9898\u4e2d\u5e38\u91c7\u7528\u7684\u9002\u5e94\u5ea6\u51fd\u6570\uff1a<\/p>\n<p style=\"text-align: justify;\">\u5047\u8bbe\u73b0\u5728\u6709\u7269\u79cd\uff1a\\[s = {n_1},{n_2}, \\cdots ,{n_n},{n_1}\\]\u6211\u4eec\u5f88\u5bb9\u6613\u6c42\u51fa\u5b83\u7684\u57fa\u56e0\u5e8f\u5217\u6240\u8868\u8fbe\u7684\u5de1\u56de\u8def\u7ebf\u957f\u5ea6\uff1a\\[d(s) = \\sum\\limits_{j = 1}^n {d({n_j},{n_{j + 1}})} \\]\u56e0\u4e3a\u6211\u4eec\u66f4\u5e0c\u671b\u8def\u7ebf\u957f\u5ea6\u8f83\u77ed\u7684\u7269\u79cd\u751f\u5b58\u4e0b\u6765\uff08\u5f53\u7136\u76ee\u524d\u8def\u7ebf\u957f\u5ea6\u8f83\u957f\u7684\u4e5f\u5e76\u4e0d\u610f\u5473\u7740\u4ed6\u7684\u540e\u4ee3\u7269\u79cd\u957f\u5ea6\u4e5f\u957f\uff09\uff0c\u800c\u5982\u679c\u76f4\u63a5\u62ff\\(d(s)\\)\u4f5c\u4e3a\u9002\u5e94\u5ea6\u5c82\u4e0d\u662f\u5357\u8f95\u5317\u8f99\u4e86\u5417\uff1f\u6240\u4ee5\u6211\u4eec\u91c7\u7528\u201c\u53d6\u5012\u6570\u201d\u7684\u65b9\u6cd5\u6765\u5904\u7406\uff0c\u5f97\u5230\u9002\u5e94\u5ea6\u51fd\u6570\uff1a\\[f(s) = \\frac{1}{{d(s)}}\\]\u4e0b\u9762\u662fSpeciesNode\u7c7b\u4e2d\u8ba1\u7b97\u9002\u5e94\u5ea6\u7684\u51fd\u6570calFitness\u7684\u4ee3\u7801\u5b9e\u73b0\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"null\">\/\/\u8ba1\u7b97\u7269\u79cd\u9002\u5e94\u5ea6\nvoid calFitness()\n{\n    float totalDis=0.0f;\n    for(int i = 0;i &lt; Constant.CITY_NUM;i++)\n    {\n        int curCity=this.genes[i]-1;\n        int nextCity=this.genes[(i+1) % Constant.CITY_NUM]-1;\n\n        totalDis += Constant.disMap[curCity][nextCity];\n    }\n    \n    this.distance=totalDis;\n    this.fitness=1.0f\/totalDis;\n}<\/pre>\n<h3>\u7ed3\u8bed<\/h3>\n<p style=\"text-align: justify;\">\u4e3a\u7269\u79cd\u8bc4\u51fa\u4e86\u5b83\u7684\u9002\u5e94\u5ea6\u540e\uff0c\u63a5\u4e0b\u6765\u7b49\u5f85\u7740\u6211\u4eec\u7684\u5c31\u662fGeneticAlgorithm\u7c7b\u4e2d\u9009\u62e9\u7b97\u5b50\u3001\u4ea4\u53c9\u7b97\u5b50\u548c\u53d8\u5f02\u7b97\u5b50\u7684\u5b9e\u73b0\u5566\uff0c\u4f1a\u5728\u4e0b\u4e00\u7ae0\u4e00\u4e00\u7ed9\u51fa\u8be6\u5c3d\u9610\u8ff0\uff0c\u656c\u8bf7\u671f\u5f85\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f15\u8a00 \u9057\u4f20\u7b97\u6cd5\u662f\u7531\u7f8e\u56fd\u7684 Holland \u6559\u6388\u4e8e 1975 \u5e74\u5728\u4ed6\u7684\u4e13\u8457\u300a\u81ea\u7136\u754c\u548c\u4eba\u5de5\u7cfb\u7edf\u7684\u9002\u5e94\u6027\u300b\u4e2d\u9996\u5148\u63d0\u51fa [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[56,46],"tags":[],"_links":{"self":[{"href":"http:\/\/yaochenkun.site\/index.php\/wp-json\/wp\/v2\/posts\/535"}],"collection":[{"href":"http:\/\/yaochenkun.site\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/yaochenkun.site\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/yaochenkun.site\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/yaochenkun.site\/index.php\/wp-json\/wp\/v2\/comments?post=535"}],"version-history":[{"count":58,"href":"http:\/\/yaochenkun.site\/index.php\/wp-json\/wp\/v2\/posts\/535\/revisions"}],"predecessor-version":[{"id":3176,"href":"http:\/\/yaochenkun.site\/index.php\/wp-json\/wp\/v2\/posts\/535\/revisions\/3176"}],"wp:attachment":[{"href":"http:\/\/yaochenkun.site\/index.php\/wp-json\/wp\/v2\/media?parent=535"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/yaochenkun.site\/index.php\/wp-json\/wp\/v2\/categories?post=535"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/yaochenkun.site\/index.php\/wp-json\/wp\/v2\/tags?post=535"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}