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ͨ¹ýÒÅ´«Ëã·¨¼ÆËãeval = x + 10 * sin(5 * x) + 7 * cos(4 * x)µÄ×î´óÖµ£¬ÎÒÔÚÒ»¸ö×ÊÁÏÀïÃæ¿´µ½µÄ£¬×î½üÏëѧÕâ¸ö¡£ÎÒÔËÐÐÕâ¶Î´úÂëµÄʱºò£¬MATLABÌáʾ´íÎóNot enough input arguments. Âé·³¸ßÊÖ°ï¿´¿´~~ function [sol, eval] = fitness(sol, options) x=sol(1); eval = x + 10 * sin(5 * x) + 7 * cos(4 * x); initPop = initializega(10, [0 9], 'fitness'); [x, endPop, bPop, trace] = ga([0 9],... 'fitness',[],... initPop, [1e-6 1 1],... 'maxGenTerm', 25,... 'normGeomSelect', [0.08],... ['arithXover'], [2],... 'nonUnifMutation', [2 25 3]); figure(1) plot(endPop(:, 1), endPop(:, 2),'y*') figure(2) plot(trace(:, 1), trace(:, 2), 'r-') xlabel('Generation'); ylabel('Fittness'); legend('½âµÄ±ä»¯','ÖÖȺƽ¾ùÖµµÄ±ä»¯'); |
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function [sol, eval] = fitness(sol, options) %% º¯Êý¶¨Òå,2¸öÊäÈë²ÎÊý x=sol(1); % È¡µÚÒ»¸öÊäÈë²ÎÊýµÄµÚÒ»¸öÔªËØ,Èç¹û±¨´íÊÇÕâÀï,Ó¦¸Ã»¹ÓÐÆäËû±¨´í°É,±íÃ÷ÊÇÄÄÀïµ÷ÓÃÁËfitnessÕâ¸öº¯Êý,Êǵ÷Óõĵط½Ã»Óиø²ÎÊýµ¼ÖÂÕâÀï³ö´íÁË,ÒòΪÕâÀïÊǺ¯ÊýÌ嶨Òå,Õâ¾ä»°Ã»Óдí |

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