{"id":30,"date":"2024-11-23T04:35:26","date_gmt":"2024-11-22T20:35:26","guid":{"rendered":"https:\/\/obagg.com\/index.php\/2024\/11\/23\/%e4%bc%98%e5%8c%96%e7%ae%97%e6%b3%95matlab%e5%ae%9e%e7%8e%b0%ef%bc%88%e4%ba%8c%ef%bc%88%e8%a1%a5%ef%bc%89%ef%bc%89%e6%a1%86%e6%9e%b6%e5%a2%9e%e5%bc%ba%ef%bc%9amatlab%e5%8a%a8%e6%80%81%e5%9b%be\/"},"modified":"2024-11-23T04:35:26","modified_gmt":"2024-11-22T20:35:26","slug":"%e4%bc%98%e5%8c%96%e7%ae%97%e6%b3%95matlab%e5%ae%9e%e7%8e%b0%ef%bc%88%e4%ba%8c%ef%bc%88%e8%a1%a5%ef%bc%89%ef%bc%89%e6%a1%86%e6%9e%b6%e5%a2%9e%e5%bc%ba%ef%bc%9amatlab%e5%8a%a8%e6%80%81%e5%9b%be","status":"publish","type":"post","link":"https:\/\/obagg.com\/index.php\/2024\/11\/23\/%e4%bc%98%e5%8c%96%e7%ae%97%e6%b3%95matlab%e5%ae%9e%e7%8e%b0%ef%bc%88%e4%ba%8c%ef%bc%88%e8%a1%a5%ef%bc%89%ef%bc%89%e6%a1%86%e6%9e%b6%e5%a2%9e%e5%bc%ba%ef%bc%9amatlab%e5%8a%a8%e6%80%81%e5%9b%be\/","title":{"rendered":"\u4f18\u5316\u7b97\u6cd5matlab\u5b9e\u73b0\uff08\u4e8c\uff08\u8865\uff09\uff09\u6846\u67b6\u589e\u5f3a\uff1amatlab\u52a8\u6001\u56fe\u7ed8\u5236"},"content":{"rendered":"

1.\u4fee\u6539\u6846\u67b6\u7684\u76ee\u7684<\/h1>\n

\u4e4b\u524d\u6709\u4e0d\u5c11\u95ee\u5982\u4e0b\u52a8\u6001\u56fe\u662f\u600e\u4e48\u7ed8\u5236\u7684\uff1f<\/p>\n

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\u8fd9\u4e2a\u662f\u4f7f\u7528java\u7f16\u5199\u7684\u4ee3\u7801\u5b9e\u73b0\u7684\uff0c\u65b9\u5f0f\u8f83\u4e3a\u590d\u6742\uff0c\u628a\u6bcf\u4e00\u4ee3\u7684\u4f4d\u7f6e\u753b\u5728\u4e00\u5f20\u56fe\u4e2d\uff0c\u7136\u540e\u6309\u987a\u5e8f\u5408\u6210gif\u52a8\u6001\u56fe\u3002\u7528java\u5b9e\u73b0\u8fd9\u79cd\u65b9\u5f0f\u975e\u5e38\u590d\u6742\uff0c\u9700\u8981\u81ea\u5df1\u53bb\u5b9e\u73b0\u7ed8\u5236\u4ee3\u7801\uff0c\u7136\u540e\u4fdd\u5b58\u6210\u56fe\u7247\u518d\u5408\u6210\u3002\u5355\u7ed8\u5236\u56fe\u50cf\u7684\u4ee3\u7801\u5c31\u6709\u51e0\u767e\u884c\uff0c\u800c\u4e14\u6709\u4e0d\u5c11\u672a\u89e3\u51b3\u7684bug\uff0c\u6bd4\u5982\u4e00\u4e9b\u4f4d\u7f6e\u7684\u70b9\u53ea\u80fd\u7528\u9ed1\u8272\u6216\u8005\u767d\u8272\u624d\u4f1a\u5728\u52a8\u6001\u56fe\u4e2d\u663e\u793a\u3002
\n\u3000\u3000\u5c06\u4ee3\u7801\u7528matlab\u5b9e\u73b0\u4e4b\u540e\uff0c\u53d1\u73b0\u4f7f\u7528matlab\u7ed8\u5236\u52a8\u6001\u56fe\u8981\u6bd4java\u5bb9\u6613\u4e00\u4e07\u500d\uff0c\u5176\u6548\u679c\u5982\u56fe\u3002<\/p>\n

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\u6240\u4ee5\u5728\u8fd9\u91cc\u5bf9\u4f18\u5316\u7b97\u6cd5\u6846\u67b6\u8fdb\u884c\u4e00\u4e2a\u5c0f\u5c0f\u7684\u66f4\u65b0\uff0c\u8ba9\u6bcf\u4e2a\u7b97\u6cd5\u90fd\u80fd\u7ed8\u5236\u7fa4\u4f53\u4f4d\u7f6e\u52a8\u6001\u56fe\u3002<\/p>\n

2\uff0e\u7b97\u6cd5\u6846\u67b6\u7684\u4fee\u6539<\/h1>\n

\u4f7f\u7528matlab\u7ed8\u5236\u52a8\u6001\u56fe\u7684\u539f\u7406\u548c\u4f7f\u7528java\u7ed8\u5236\u7684\u539f\u7406\u4e00\u6837\uff1a\u5373\u5c06\u6bcf\u4e00\u4ee3\u7684\u6240\u6709\u4e2a\u4f53\u7684\u4f4d\u7f6e\u4fdd\u5b58\u4e0b\u6765\uff0c\u7136\u540e\u6bcf\u4e00\u4ee3\u7ed8\u5236\u6210\u4e00\u5f20\u56fe\uff0c\u6700\u540e\u6309\u987a\u5e8f\u5408\u6210\u52a8\u6001\u56fe\u3002
\n\u3000\u3000\u8fd9\u91cc\u6211\u4eec\u9700\u8981\u4fee\u6539\u7684\u90e8\u5206\u7531\u4e24\u70b9\uff1a
\n\u3000\u30001.\u4fdd\u5b58\u6240\u6709\u4e2a\u4f53\u7684\u4f4d\u7f6e\uff1b<\/strong>
\n\u3000\u30002.\u7ed8\u5236\u7fa4\u4f53\u7684\u4f4d\u7f6e\u3002<\/strong>
\n\u3000\u3000\u56fe\u50cf\u7684\u663e\u793a\u4ee5\u53ca\u52a8\u6001\u56fegif\u7684\u751f\u6210\uff0cmatlab\u5df2\u7ecf\u5e2e\u6211\u4eec\u5b8c\u6210\uff0c\u4e0d\u9700\u8981\u5355\u72ec\u53bb\u7f16\u7801\u5b9e\u73b0\u3002
\n\u3000\u3000\u9700\u8981\u4fee\u6539\u7684\u4ee3\u7801\u6587\u4ef6\u5217\u8868\uff1a
\n\u3000\u3000\u4f18\u5316\u7b97\u6cd5matlab\u5b9e\u73b0\uff08\u4e8c\uff09\u6846\u67b6\u7f16\u5199\u4e2d\u7684\u6846\u67b6\u3002<\/p>\n\n\n\n\n\n\n
\u6587\u4ef6\u540d<\/th>\n\u63cf\u8ff0<\/th>\n<\/tr>\n<\/thead>\n
..optimization algorithmframeUnit.m<\/td>\n\u4e2a\u4f53<\/td>\n<\/tr>\n
..optimization algorithmframeAlgorithm_Impl.m<\/td>\n\u7b97\u6cd5\u4e3b\u4f53<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u53ea\u9700\u8981\u4fee\u6539\u8fd9\u4e24\u4e2a\u6587\u4ef6\u5373\u53ef\uff0c\u4e0d\u9700\u8981\u4fee\u6539\u5176\u4ed6\u6587\u4ef6\u3002<\/strong>
\n\u6587\u4ef6..optimization algorithmframeUnit.m\u4e2d\u9700\u8981\u6dfb\u52a0\u4e2a\u4f53\u7684\u5386\u53f2\u4f4d\u7f6e\u53ca\u4fdd\u5b58\u5386\u53f2\u4f4d\u7f6e\u7684\u65b9\u6cd5\uff0c\u5176\u5b9e\u73b0\u5982\u4e0b\uff1a<\/p>\n

% \u4e2a\u4f53\u57fa\u7c7b\nclassdef Unit<\/code><\/pre>\n
\u6587\u4ef6..optimization algorithmframe Algorithm_Impl.m\u4e2d\u6bcf\u4e00\u4ee3\u90fd\u9700\u8981\u8c03\u7528\u4e0a\u9762\u7684save\u65b9\u6cd5\u6765\u4fdd\u5b58\u56fe\u50cf\uff0c\u5176\u5b9e\u73b0\u5982\u4e0b\uff1a<\/p>\n
% \u8bb0\u5f55\u6700\u4f18\u503c\nfor i = 1:self.size\n    if(self.unit_list(i).value>self.value_best)\n        self.value_best = self.unit_list(i).value;\n        self.position_best = self.unit_list(i).position;\n    end\n    % \u4fdd\u5b58\u6bcf\u4e00\u4ee3\u7684\u4f4d\u7f6e\n    self.unit_list(i).save();\nend\n<\/code><\/pre>\n
\u6587\u4ef6..optimization algorithmframe Algorithm_Impl.m\u4e2d\u9700\u8981\u7ed8\u5236\u7fa4\u4f53\u4f4d\u7f6e\u7684\u65b9\u6cd5\uff0c\u5176\u5b9e\u73b0\u5982\u4e0b\uff1a<\/p>\n
% \u7ed8\u5236\u52a8\u6001\u56fe,2\u7ef4\u56fe\u50cf\uff1astep\u4e3a\u6b65\u957f\uff08\u51e0\u4ee3\u7ed8\u5236\u4e00\u5f20\u56fe\u50cf\uff09\uff0cis_save\u7528\u6765\u5224\u65ad\u662f\u5426\u4fdd\u5b58gif\u52a8\u6001\u56fe\nfunction draw2_gif(self,step,is_save,name)\n    if self.dim  0 && i>1\n            % \u5fc5\u987b\u8981\u7ed8\u5236\u7b2c\u4e00\u4ee3\uff0c\u5426\u5219matlab\u4f1a\u62a5\u9519\uff0c\u539f\u56e0\u672a\u77e5\n            continue\n        end\n        % \u904d\u5386\u6bcf\u4e00\u4e2a\u4e2a\u4f53\n        for s = 1:self.size\n            cur_position = self.unit_list(s).position_history_list(i,:);\n            scatter(cur_position(1),cur_position(2),10,'b','filled');\n            hold on;\n        end\n\n        % \u5c06\u6587\u5b57\u7ed8\u5236\u5728\u5de6\u4e0a\u89d2\n        text(self.range_min_list(1),self.range_max_list(2),num2str(i),'FontSize',20);\n\n        % \u7ed8\u5236\u663e\u793a\u533a\u57df\n        range_size_x = self.range_max_list(1)-self.range_min_list(1);\n        range_size_y = self.range_max_list(2)-self.range_min_list(2);\n        axis([self.range_min_list(1)-0.2*range_size_x,self.range_max_list(1)+0.2*range_size_x, self.range_min_list(2)-0.2*range_size_y, self.range_max_list(2)+0.2*range_size_y]);\n\n        axis equal;\n\n        % \u56fa\u5b9a\u6a2a\u7eb5\u5750\u6807\u8f74\n        set(gca,'XLim',[self.range_min_list(1)-0.1*range_size_x self.range_max_list(1)+0.1*range_size_x]);\n        set(gca,'YLim',[self.range_min_list(2)-0.1*range_size_y self.range_max_list(2)+0.1*range_size_y]);\n        % \u6bcf0.1\u7ed8\u5236\u4e00\u6b21\n        pause = 0.1;\n        % \u9700\u8981\u4fdd\u5b58git\u5219\u8bbe\u7f6eis_save = true\n        if is_save\n            %\u4e0b\u9762\u662f\u4fdd\u5b58\u4e3aGIF\u7684\u7a0b\u5e8f\n            frame=getframe(gcf);\n            % \u8fd4\u56de\u5355\u5e27\u989c\u8272\u56fe\u50cf\n            imind=frame2im(frame);\n            % \u989c\u8272\u8f6c\u6362\n            [imind,cm] = rgb2ind(imind,256);\n            filename = [name,'_2d.gif'];\n            if i==1\n                 imwrite(imind,cm,filename,'gif', 'Loopcount',inf,'DelayTime',1e-2);\n            else\n                 imwrite(imind,cm,filename,'gif','WriteMode','append','DelayTime',pause);\n            end\n        end\n        % \u7ed8\u5236\u5b8c\u5c31\u6e05\u9664\uff0c\u7ed8\u5236\u4e0b\u4e00\u4ee3\n        clf;\n    end\n    % \u7ed8\u5236\u5b8c\u6210\u5173\u95ed\u7a97\u53e3\n    close(f1);    \nend\n        \n<\/code><\/pre>\n
\u4e0a\u9762\u7ed8\u5236\u7684\u662f2\u7ef4\u52a8\u6001\u56fe\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u5176\u7c7b\u63a8\u81f33\u7ef4\uff0c\u6765\u7ed8\u52363\u7ef4\u52a8\u6001\u56fe\u3002\u5f53\u7136\u56fe\u50cf\u6700\u591a\u53ea\u80fd\u7ed8\u5236\u52303\u7ef4\uff0c\u6bd5\u7adf\u6211\u4eec\u751f\u6d3b\u57283\u7ef4\u7a7a\u95f4\uff0c\u53ea\u80fd\u76f4\u89c2\u770b\u52303\u7ef4\u3002<\/p>\n
% \u7ed8\u5236\u52a8\u6001\u56fe,3\u7ef4\u56fe\u50cf\uff1astep\u4e3a\u6b65\u957f\uff08\u51e0\u4ee3\u7ed8\u5236\u4e00\u5f20\u56fe\u50cf\uff09\uff0cis_save\u7528\u6765\u5224\u65ad\u662f\u5426\u4fdd\u5b58gif\u52a8\u6001\u56fe\nfunction draw3_gif(self,step,is_save,name)\n    if self.dim  0 && i>1\n            % \u5fc5\u987b\u8981\u7ed8\u5236\u7b2c\u4e00\u4ee3\uff0c\u5426\u5219matlab\u4f1a\u62a5\u9519\uff0c\u539f\u56e0\u672a\u77e5\n            continue\n        end\n        % \u904d\u5386\u6bcf\u4e00\u4e2a\u4e2a\u4f53\n        for s = 1:self.size\n            cur_position = self.unit_list(s).position_history_list(i,:);\n            scatter3(cur_position(1),cur_position(2),cur_position(3),10,'b','filled');\n            hold on;\n        end\n\n        % \u5c06\u6587\u5b57\u7ed8\u5236\u5728\u5de6\u4e0a\u89d2\n        text(self.range_min_list(1),self.range_max_list(2),self.range_max_list(3),num2str(i),'FontSize',20);\n\n        % \u7ed8\u5236\u663e\u793a\u533a\u57df\n        range_size_x = self.range_max_list(1)-self.range_min_list(1);\n        range_size_y = self.range_max_list(2)-self.range_min_list(2);\n        range_size_z = self.range_max_list(3)-self.range_min_list(3);\n        axis([self.range_min_list(1)-0.2*range_size_x,self.range_max_list(1)+0.2*range_size_x, self.range_min_list(2)-0.2*range_size_y, self.range_max_list(2)+0.2*range_size_y,self.range_min_list(3)-0.2*range_size_z, self.range_max_list(3)+0.2*range_size_z]);\n\n        axis equal;\n\n        % \u56fa\u5b9a\u6a2a\u7eb5\u5750\u6807\u8f74\n        set(gca,'XLim',[self.range_min_list(1)-0.1*range_size_x self.range_max_list(1)+0.1*range_size_x]);\n        set(gca,'YLim',[self.range_min_list(2)-0.1*range_size_y self.range_max_list(2)+0.1*range_size_y]);\n        set(gca,'ZLim',[self.range_min_list(3)-0.1*range_size_z self.range_max_list(3)+0.1*range_size_z])\n        % \u6bcf0.1\u7ed8\u5236\u4e00\u6b21\n        pause = 0.1;\n        % \u9700\u8981\u4fdd\u5b58git\u5219\u8bbe\u7f6eis_save = true\n        if is_save\n            %\u4e0b\u9762\u662f\u4fdd\u5b58\u4e3aGIF\u7684\u7a0b\u5e8f\n            frame=getframe(gcf);\n            % \u8fd4\u56de\u5355\u5e27\u989c\u8272\u56fe\u50cf\n            imind=frame2im(frame);\n            % \u989c\u8272\u8f6c\u6362\n            [imind,cm] = rgb2ind(imind,256);\n            filename = [name,'_3d.gif'];\n            if i==1\n                 imwrite(imind,cm,filename,'gif', 'Loopcount',inf,'DelayTime',1e-2);\n            else\n                 imwrite(imind,cm,filename,'gif','WriteMode','append','DelayTime',pause);\n            end\n        end\n        % \u7ed8\u5236\u5b8c\u5c31\u6e05\u9664\uff0c\u7ed8\u5236\u4e0b\u4e00\u4ee3\n        clf;\n    end\n    % \u7ed8\u5236\u5b8c\u6210\u5173\u95ed\u7a97\u53e3\n    close(f1);    \nend\n<\/code><\/pre>\n
3\u7ef4\u56fe\u50cf\u6548\u679c\u5982\u56fe:<\/p>\n
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3\uff0e\u5b8c\u6574\u6846\u67b6\u4ee3\u7801<\/h1>\n
\u603b\u76ee\u5f55:..optimization algorithm
\n\u6846\u67b6\u76ee\u5f55:..optimization algorithm\/frame
\n\u6846\u67b6\u6587\u4ef6\uff1a<\/p>\n\n\n\n\n\n\n
\u6587\u4ef6\u540d<\/th>\n\u63cf\u8ff0<\/th>\n<\/tr>\n<\/thead>\n
..optimization algorithmframeUnit.m<\/td>\n\u4e2a\u4f53<\/td>\n<\/tr>\n
..optimization algorithmframeAlgorithm_Impl.m<\/td>\n\u7b97\u6cd5\u4e3b\u4f53<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u6587\u4ef6\u5185\u5bb9\uff1a
\nUnit.m<\/p>\n
% \u4e2a\u4f53\u57fa\u7c7b\nclassdef Unit<\/code><\/pre>\n
Algorithm_Impl.m<\/p>\n
% \u4f18\u5316\u7b97\u6cd5\u57fa\u7c7b\nclassdef Algorithm_Impl  0 && i>1\n                    % \u5fc5\u987b\u8981\u7ed8\u5236\u7b2c\u4e00\u4ee3\uff0c\u5426\u5219matlab\u4f1a\u62a5\u9519\uff0c\u539f\u56e0\u672a\u77e5\n                    continue\n                end\n                % \u904d\u5386\u6bcf\u4e00\u4e2a\u4e2a\u4f53\n                for s = 1:self.size\n                    cur_position = self.unit_list(s).position_history_list(i,:);\n                    scatter(cur_position(1),cur_position(2),10,'b','filled');\n                    hold on;\n                end\n\n                % \u5c06\u6587\u5b57\u7ed8\u5236\u5728\u5de6\u4e0a\u89d2\n                text(self.range_min_list(1),self.range_max_list(2),num2str(i),'FontSize',20);\n\n                % \u7ed8\u5236\u663e\u793a\u533a\u57df\n                range_size_x = self.range_max_list(1)-self.range_min_list(1);\n                range_size_y = self.range_max_list(2)-self.range_min_list(2);\n                axis([self.range_min_list(1)-0.2*range_size_x,self.range_max_list(1)+0.2*range_size_x, self.range_min_list(2)-0.2*range_size_y, self.range_max_list(2)+0.2*range_size_y]);\n\n                axis equal;\n\n                % \u56fa\u5b9a\u6a2a\u7eb5\u5750\u6807\u8f74\n                set(gca,'XLim',[self.range_min_list(1)-0.1*range_size_x self.range_max_list(1)+0.1*range_size_x]);\n                set(gca,'YLim',[self.range_min_list(2)-0.1*range_size_y self.range_max_list(2)+0.1*range_size_y]);\n                % \u6bcf0.1\u7ed8\u5236\u4e00\u6b21\n                pause = 0.1;\n                % \u9700\u8981\u4fdd\u5b58git\u5219\u8bbe\u7f6eis_save = true\n                if is_save\n                    %\u4e0b\u9762\u662f\u4fdd\u5b58\u4e3aGIF\u7684\u7a0b\u5e8f\n                    frame=getframe(gcf);\n                    % \u8fd4\u56de\u5355\u5e27\u989c\u8272\u56fe\u50cf\n                    imind=frame2im(frame);\n                    % \u989c\u8272\u8f6c\u6362\n                    [imind,cm] = rgb2ind(imind,256);\n                    filename = [name,'_2d.gif'];\n                    if i==1\n                         imwrite(imind,cm,filename,'gif', 'Loopcount',inf,'DelayTime',1e-2);\n                    else\n                         imwrite(imind,cm,filename,'gif','WriteMode','append','DelayTime',pause);\n                    end\n                end\n                % \u7ed8\u5236\u5b8c\u5c31\u6e05\u9664\uff0c\u7ed8\u5236\u4e0b\u4e00\u4ee3\n                clf;\n            end\n            % \u7ed8\u5236\u5b8c\u6210\u5173\u95ed\u7a97\u53e3\n            close(f1);    \n        end\n        \n        % \u7ed8\u5236\u52a8\u6001\u56fe,3\u7ef4\u56fe\u50cf\n        function draw3_gif(self,step,is_save,name)\n            if self.dim  0 && i>1\n                    % \u5fc5\u987b\u8981\u7ed8\u5236\u7b2c\u4e00\u4ee3\uff0c\u5426\u5219matlab\u4f1a\u62a5\u9519\uff0c\u539f\u56e0\u672a\u77e5\n                    continue\n                end\n                % \u904d\u5386\u6bcf\u4e00\u4e2a\u4e2a\u4f53\n                for s = 1:self.size\n                    cur_position = self.unit_list(s).position_history_list(i,:);\n                    scatter3(cur_position(1),cur_position(2),cur_position(3),10,'b','filled');\n                    hold on;\n                end\n\n                % \u5c06\u6587\u5b57\u7ed8\u5236\u5728\u5de6\u4e0a\u89d2\n                text(self.range_min_list(1),self.range_max_list(2),self.range_max_list(3),num2str(i),'FontSize',20);\n\n                % \u7ed8\u5236\u663e\u793a\u533a\u57df\n                range_size_x = self.range_max_list(1)-self.range_min_list(1);\n                range_size_y = self.range_max_list(2)-self.range_min_list(2);\n                range_size_z = self.range_max_list(3)-self.range_min_list(3);\n                axis([self.range_min_list(1)-0.2*range_size_x,self.range_max_list(1)+0.2*range_size_x, self.range_min_list(2)-0.2*range_size_y, self.range_max_list(2)+0.2*range_size_y,self.range_min_list(3)-0.2*range_size_z, self.range_max_list(3)+0.2*range_size_z]);\n\n                axis equal;\n\n                % \u56fa\u5b9a\u6a2a\u7eb5\u5750\u6807\u8f74\n                set(gca,'XLim',[self.range_min_list(1)-0.1*range_size_x self.range_max_list(1)+0.1*range_size_x]);\n                set(gca,'YLim',[self.range_min_list(2)-0.1*range_size_y self.range_max_list(2)+0.1*range_size_y]);\n                set(gca,'ZLim',[self.range_min_list(3)-0.1*range_size_z self.range_max_list(3)+0.1*range_size_z])\n                % \u6bcf0.1\u7ed8\u5236\u4e00\u6b21\n                pause = 0.1;\n                % \u9700\u8981\u4fdd\u5b58git\u5219\u8bbe\u7f6eis_save = true\n                if is_save\n                    %\u4e0b\u9762\u662f\u4fdd\u5b58\u4e3aGIF\u7684\u7a0b\u5e8f\n                    frame=getframe(gcf);\n                    % \u8fd4\u56de\u5355\u5e27\u989c\u8272\u56fe\u50cf\n                    imind=frame2im(frame);\n                    % \u989c\u8272\u8f6c\u6362\n                    [imind,cm] = rgb2ind(imind,256);\n                    filename = [name,'_3d.gif'];\n                    if i==1\n                         imwrite(imind,cm,filename,'gif', 'Loopcount',inf,'DelayTime',1e-2);\n                    else\n                         imwrite(imind,cm,filename,'gif','WriteMode','append','DelayTime',pause);\n                    end\n                end\n                % \u7ed8\u5236\u5b8c\u5c31\u6e05\u9664\uff0c\u7ed8\u5236\u4e0b\u4e00\u4ee3\n                clf;\n            end\n            % \u7ed8\u5236\u5b8c\u6210\u5173\u95ed\u7a97\u53e3\n            close(f1);    \n        end\n    end\n    \n    methods (Access = protected)\n        % \u6784\u9020\u51fd\u6570\n        function self = Algorithm_Impl(dim,size,iter_max,range_min_list,range_max_list)\n            self.dim =dim;\n            self.size = size;\n            self.iter_max = iter_max;\n            self.range_min_list = range_min_list;\n            self.range_max_list = range_max_list;\n            %\u9ed8\u8ba4\u4e3a\u6c42\u6700\u5927\u503c\n            self.is_cal_max = true;\n        end\n        \n        % \u521d\u59cb\u5316\n        function init(self)\n            self.position_best=zeros(1,self.dim);\n            self.value_best_history=[];\n            self.position_best_history=[];\n            %\u8bbe\u7f6e\u521d\u59cb\u6700\u4f18\u503c\uff0c\u7531\u4e8e\u662f\u6c42\u6700\u5927\u503c\uff0c\u6240\u4ee5\u8bbe\u7f6e\u4e86\u6700\u5927\u6d6e\u70b9\u6570\u7684\u8d1f\u503c\n            self.value_best = -realmax('double');\n        end\n        \n        % \u5f00\u59cb\u8fed\u4ee3\n        function iteration(self)\n            for iter = 1:self.iter_max\n                self.update(iter)\n            end\n        end\n        \n        % \u5904\u7406\u4e00\u6b21\u8fed\u4ee3\n        function update(self,iter)\n            % \u8bb0\u5f55\u6700\u4f18\u503c\n            for i = 1:self.size\n                if(self.unit_list(i).value>self.value_best)\n                    self.value_best = self.unit_list(i).value;\n                    self.position_best = self.unit_list(i).position;\n                end\n                % \u4fdd\u5b58\u6bcf\u4e00\u4ee3\u7684\u4f4d\u7f6e\n                self.unit_list(i).save();\n            end\n            disp(['\u7b2c' num2str(iter) '\u4ee3']);\n            if(self.is_cal_max)\n                self.value_best_history(end+1) = self.value_best;\n                disp(['\u6700\u4f18\u503c=' num2str(self.value_best)]);\n            else\n                self.value_best_history(end+1) = -self.value_best;\n                disp(['\u6700\u4f18\u503c=' num2str(-self.value_best)]);\n            end\n            self.position_best_history = [self.position_best_history;self.position_best];\n            disp(['\u6700\u4f18\u89e3=' num2str(self.position_best)]);\n        end\n        \n        function value = cal_fitfunction(self,position)\n            if(isempty(self.fitfunction))\n                value = 0;\n            else\n                % \u5982\u679c\u9002\u5e94\u5ea6\u51fd\u6570\u4e0d\u4e3a\u7a7a\u5219\u8fd4\u56de\u9002\u5e94\u5ea6\u503c\n                if(self.is_cal_max)\n                    value = self.fitfunction(position);\n                else\n                    value = -self.fitfunction(position);\n                end\n            end\n            self.cal_fit_num = self.cal_fit_num+1;\n        end\n        \n        % \u8d8a\u754c\u68c0\u67e5,\u8d85\u51fa\u8fb9\u754c\u5219\u505c\u7559\u5728\u8fb9\u754c\u4e0a\n        function s=get_out_bound_value(self,position,min_list,max_list)\n          if(~exist('min_list','var'))\n              min_list = self.range_min_list;\n          end\n          if(~exist('max_list','var'))\n              max_list = self.range_max_list;\n          end\n          % Apply the lower bound vector\n          position_tmp=position;\n          I=position_tmpmax_list;\n          position_tmp(J)=max_list(J);\n          % Update this new move\n          s=position_tmp;\n        end\n        \n        % \u8d8a\u754c\u68c0\u67e5,\u8d85\u51fa\u8fb9\u754c\u5219\u5728\u89e3\u7a7a\u95f4\u5185\u968f\u673a\u521d\u59cb\u5316\n        function s=get_out_bound_value_rand(self,position,min_list,max_list)\n          if(~exist('min_list','var'))\n              min_list = self.range_min_list;\n          end\n          if(~exist('max_list','var'))\n              max_list = self.range_max_list;\n          end\n          position_rand = unifrnd(self.range_min_list,self.range_max_list);\n          % Apply the lower bound vector\n          position_tmp=position;\n          I=position_tmpmax_list;\n          position_tmp(J)=position_rand(J);\n          % Update this new move\n          s=position_tmp;\n        end\n        \n        \n    end\n\n    events\n    end\nend\n<\/min_list><\/min_list><\/code><\/pre>\n
4.\u6d4b\u8bd5\u4ee3\u7801<\/h1>\n
\u4f7f\u7528\u4e4b\u524d\u7684\u5dee\u5206\u8fdb\u5316\u7b97\u6cd5\u6d4b\u8bd5\u4e00\u4e0b\u52a8\u6001\u56fe\u7684\u7ed8\u5236\uff08\u9700\u8981\u5b9e\u73b0\u4f18\u5316\u7b97\u6cd5matlab\u5b9e\u73b0\uff08\u4e03\uff09\u5dee\u5206\u8fdb\u5316\u7b97\u6cd5matlab\u5b9e\u73b0\u4e2d\u7684\u76f8\u5173\u4ee3\u7801\uff09\u3002<\/p>\n
\u6ce8\u610f\u8c03\u7528\u65b9\u6cd5\u662f\u9700\u8981\u81ea\u884c\u51b3\u5b9a\u6b65\u957f\uff0c\u5373draw2_gif()\u548cdraw3_gif\u4e2d\u7684step\u53c2\u6570\u3002\u6b65\u957f\u8d8a\u5c0f\u7ed8\u5236\u7684\u56fe\u7247\u8d8a\u591a\uff0c\u6267\u884c\u7684\u8d8a\u6162\u3002<\/strong><\/p>\n
\u6d4b\u8bd5F1<\/p>\n
\u6587\u4ef6\u540d\uff1a..optimization algorithmalgorithm_differential_evolutionTest.m<\/p>\n
%% \u6e05\u7406\u4e4b\u524d\u7684\u6570\u636e\n% \u6e05\u9664\u6240\u6709\u6570\u636e\nclear all;\n% \u6e05\u9664\u7a97\u53e3\u8f93\u51fa\nclc;\n\n%% \u6dfb\u52a0\u76ee\u5f55\n% \u5c06\u4e0a\u7ea7\u76ee\u5f55\u4e2d\u7684frame\u6587\u4ef6\u5939\u52a0\u5165\u8def\u5f84\naddpath('..\/frame')\n\n\n%% \u9009\u62e9\u6d4b\u8bd5\u51fd\u6570\nFunction_name='F1';\n%[\u6700\u5c0f\u503c\uff0c\u6700\u5927\u503c\uff0c\u7ef4\u5ea6\uff0c\u6d4b\u8bd5\u51fd\u6570]\n[lb,ub,dim,fobj]=Get_Functions_details(Function_name);\n\n%% \u7b97\u6cd5\u5b9e\u4f8b\n% \u79cd\u7fa4\u6570\u91cf\nsize = 50;\n% \u6700\u5927\u8fed\u4ee3\u6b21\u6570\niter_max = 1000;\n% \u53d6\u503c\u8303\u56f4\u4e0a\u754c\nrange_max_list = ones(1,dim)*ub;\n% \u53d6\u503c\u8303\u56f4\u4e0b\u754c\nrange_min_list = ones(1,dim)*lb;\n\n% \u5b9e\u4f8b\u5316\u5dee\u5206\u8fdb\u5316\u7b97\u6cd5\u7c7b\nbase = DE_Base(dim,size,iter_max,range_min_list,range_max_list);\nbase.is_cal_max = false;\n% \u786e\u5b9a\u9002\u5e94\u5ea6\u51fd\u6570\nbase.fitfunction = fobj;\n% \u8fd0\u884c\nbase.run();\ndisp(base.cal_fit_num);\n\n%% \u7ed8\u52362\u7ef4\u56fe\u50cf\uff0c\u6bcf10\u4ee3\u7ed8\u5236\u4e00\u6b21\uff0c\u4e14\u4fdd\u5b58gif\u56fe\u50cf\u5230\u672c\u5730\n%base.draw2_gif(10,true,base.name);\n\n% \u7ed8\u52363\u7ef4\u56fe\u50cf\uff0c\u6bcf10\u4ee3\u7ed8\u5236\u4e00\u6b21\uff0c\u4e14\u4fdd\u5b58gif\u56fe\u50cf\u5230\u672c\u5730\nbase.draw3_gif(10,true,base.name);\n\n%% \u7ed8\u5236\u56fe\u50cf\nfigure('Position',[500 500 660 290])\n%Draw search space\nsubplot(1,2,1);\nfunc_plot(Function_name);\ntitle('Parameter space')\nxlabel('x_1');\nylabel('x_2');\nzlabel([Function_name,'( x_1 , x_2 )'])\n%Draw objective space\nsubplot(1,2,2);\n% \u7ed8\u5236\u66f2\u7ebf\uff0c\u7531\u4e8e\u7b97\u6cd5\u662f\u6c42\u6700\u5927\u503c\uff0c\u9002\u5e94\u5ea6\u51fd\u6570\u4e3a\u6c42\u6700\u5c0f\u503c\uff0c\u6545\u4e58\u4e86-1\uff0c\u6b64\u65f6\u53bb\u6389-1\nsemilogy((base.value_best_history),'Color','r')\ntitle('Objective space')\nxlabel('Iteration');\nylabel('Best score obtained so far');\n% \u5c06\u5750\u6807\u8f74\u8c03\u6574\u4e3a\u7d27\u51d1\u578b\naxis tight\n% \u6dfb\u52a0\u7f51\u683c\ngrid on\n% \u56db\u8fb9\u90fd\u663e\u793a\u523b\u5ea6\nbox off\nlegend(base.name)\ndisplay(['The best solution obtained by ',base.name ,' is ', num2str(base.value_best)]);\ndisplay(['The best optimal value of the objective funciton found by ',base.name ,' is ', num2str(base.position_best)]);\n<\/code><\/pre>\n
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\u6b65\u957f\u4e3a10,3d\u56fe<\/div>\n<\/div>\n
Please credit: OBA Blog<\/a> » \u4f18\u5316\u7b97\u6cd5matlab\u5b9e\u73b0\uff08\u4e8c\uff08\u8865\uff09\uff09\u6846\u67b6\u589e\u5f3a\uff1amatlab\u52a8\u6001\u56fe\u7ed8\u5236<\/a><\/p>","protected":false},"excerpt":{"rendered":"
1.\u4fee\u6539\u6846\u67b6\u7684\u76ee\u7684 \u4e4b\u524d\u6709\u4e0d\u5c11\u95ee\u5982\u4e0b\u52a8\u6001\u56fe\u662f\u600e\u4e48\u7ed8\u5236\u7684\uff1f \u8fd9\u4e2a\u662f\u4f7f\u7528java\u7f16\u5199\u7684\u4ee3\u7801\u5b9e\u73b0\u7684\uff0c\u65b9\u5f0f\u8f83\u4e3a\u590d\u6742\uff0c\u628a\u6bcf\u4e00\u4ee3\u7684\u4f4d\u7f6e\u753b\u5728\u4e00\u5f20\u56fe\u4e2d\uff0c\u7136\u540e\u6309\u987a\u5e8f\u5408\u6210gif\u52a8\u6001\u56fe\u3002\u7528java\u5b9e\u73b0\u8fd9\u79cd\u65b9\u5f0f\u975e\u5e38\u590d\u6742\uff0c\u9700\u8981\u81ea\u5df1\u53bb\u5b9e\u73b0\u7ed8\u5236\u4ee3\u7801\uff0c\u7136\u540e\u4fdd\u5b58\u6210\u56fe\u7247\u518d\u5408\u6210\u3002\u5355\u7ed8\u5236\u56fe\u50cf\u7684\u4ee3\u7801\u5c31\u6709\u51e0\u767e\u884c\uff0c\u800c\u4e14\u6709\u4e0d\u5c11\u672a\u89e3\u51b3\u7684bug\uff0c\u6bd4\u5982\u4e00\u4e9b\u4f4d\u7f6e\u7684\u70b9\u53ea\u80fd\u7528\u9ed1\u8272\u6216\u8005\u767d\u8272\u624d\u4f1a\u5728\u52a8\u6001\u56fe\u4e2d\u663e\u793a\u3002 \u3000\u3000\u5c06\u4ee3\u7801\u7528matlab\u5b9e\u73b0\u4e4b\u540e\uff0c\u53d1\u73b0\u4f7f\u7528matlab\u7ed8\u5236\u52a8\u6001\u56fe\u8981\u6bd4java\u5bb9\u6613\u4e00\u4e07\u500d\uff0c\u5176\u6548\u679c\u5982\u56fe\u3002 \u6240\u4ee5\u5728\u8fd9\u91cc\u5bf9\u4f18\u5316\u7b97\u6cd5\u6846\u67b6\u8fdb\u884c\u4e00\u4e2a\u5c0f\u5c0f\u7684\u66f4\u65b0\uff0c\u8ba9\u6bcf\u4e2a\u7b97\u6cd5\u90fd\u80fd\u7ed8\u5236\u7fa4\u4f53\u4f4d\u7f6e\u52a8\u6001\u56fe\u3002 2\uff0e\u7b97\u6cd5\u6846\u67b6\u7684\u4fee\u6539 \u4f7f\u7528matlab\u7ed8\u5236\u52a8\u6001\u56fe\u7684\u539f\u7406\u548c\u4f7f\u7528java\u7ed8\u5236\u7684\u539f\u7406\u4e00\u6837\uff1a\u5373\u5c06\u6bcf\u4e00\u4ee3\u7684\u6240\u6709\u4e2a\u4f53\u7684\u4f4d\u7f6e\u4fdd\u5b58\u4e0b\u6765\uff0c\u7136\u540e\u6bcf\u4e00\u4ee3\u7ed8\u5236\u6210\u4e00\u5f20\u56fe\uff0c\u6700\u540e\u6309\u987a\u5e8f\u5408\u6210\u52a8\u6001\u56fe\u3002 \u3000\u3000\u8fd9\u91cc\u6211\u4eec\u9700\u8981\u4fee\u6539\u7684\u90e8\u5206\u7531\u4e24\u70b9\uff1a \u3000\u30001.\u4fdd\u5b58\u6240\u6709\u4e2a\u4f53\u7684\u4f4d\u7f6e\uff1b \u3000\u30002.\u7ed8\u5236\u7fa4\u4f53\u7684\u4f4d\u7f6e\u3002 \u3000\u3000\u56fe\u50cf\u7684\u663e\u793a\u4ee5\u53ca\u52a8\u6001\u56fegif\u7684\u751f\u6210\uff0cmatlab\u5df2\u7ecf\u5e2e\u6211\u4eec\u5b8c\u6210\uff0c\u4e0d\u9700\u8981\u5355\u72ec\u53bb\u7f16\u7801\u5b9e\u73b0\u3002 \u3000\u3000\u9700\u8981\u4fee\u6539\u7684\u4ee3\u7801\u6587\u4ef6\u5217\u8868\uff1a \u3000\u3000\u4f18\u5316\u7b97\u6cd5matlab\u5b9e\u73b0\uff08\u4e8c\uff09\u6846\u67b6\u7f16\u5199\u4e2d\u7684\u6846\u67b6\u3002 \u6587\u4ef6\u540d \u63cf\u8ff0 ..optimization algorithmframeUnit.m \u4e2a\u4f53 ..optimization algorithmframeAlgorithm_Impl.m \u7b97\u6cd5\u4e3b\u4f53 \u53ea\u9700\u8981\u4fee\u6539\u8fd9\u4e24\u4e2a\u6587\u4ef6\u5373\u53ef\uff0c\u4e0d\u9700\u8981\u4fee\u6539\u5176\u4ed6\u6587\u4ef6\u3002 \u6587\u4ef6..optimization algorithmframeUnit.m\u4e2d\u9700\u8981\u6dfb\u52a0\u4e2a\u4f53\u7684\u5386\u53f2\u4f4d\u7f6e\u53ca\u4fdd\u5b58\u5386\u53f2\u4f4d\u7f6e\u7684\u65b9\u6cd5\uff0c\u5176\u5b9e\u73b0\u5982\u4e0b\uff1a % \u4e2a\u4f53\u57fa\u7c7b classdef Unit \u6587\u4ef6..optimization algorithmframe Algorithm_Impl.m\u4e2d\u6bcf\u4e00\u4ee3\u90fd\u9700\u8981\u8c03\u7528\u4e0a\u9762\u7684save\u65b9\u6cd5\u6765\u4fdd\u5b58\u56fe\u50cf\uff0c\u5176\u5b9e\u73b0\u5982\u4e0b\uff1a % \u8bb0\u5f55\u6700\u4f18\u503c for i = 1:self.size if(self.unit_list(i).value>self.value_best) self.value_best = self.unit_list(i).value; self.position_best = self.unit_list(i).position; end % \u4fdd\u5b58\u6bcf\u4e00\u4ee3\u7684\u4f4d\u7f6e self.unit_list(i).save(); end \u6587\u4ef6..optimization algorithmframe Algorithm_Impl.m\u4e2d\u9700\u8981\u7ed8\u5236\u7fa4\u4f53\u4f4d\u7f6e\u7684\u65b9\u6cd5\uff0c\u5176\u5b9e\u73b0\u5982\u4e0b\uff1a % \u7ed8\u5236\u52a8\u6001\u56fe,2\u7ef4\u56fe\u50cf\uff1astep\u4e3a\u6b65\u957f\uff08\u51e0\u4ee3\u7ed8\u5236\u4e00\u5f20\u56fe\u50cf\uff09\uff0cis_save\u7528\u6765\u5224\u65ad\u662f\u5426\u4fdd\u5b58gif\u52a8\u6001\u56fe function draw2_gif(self,step,is_save,name) if self.dim 0 && i>1 % \u5fc5\u987b\u8981\u7ed8\u5236\u7b2c\u4e00\u4ee3\uff0c\u5426\u5219matlab\u4f1a\u62a5\u9519\uff0c\u539f\u56e0\u672a\u77e5 continue end % \u904d\u5386\u6bcf\u4e00\u4e2a\u4e2a\u4f53 for s = 1:self.size cur_position = self.unit_list(s).position_history_list(i,:); scatter(cur_position(1),cur_position(2),10,’b’,’filled’); hold on; end % \u5c06\u6587\u5b57\u7ed8\u5236\u5728\u5de6\u4e0a\u89d2 text(self.range_min_list(1),self.range_max_list(2),num2str(i),’FontSize’,20); % \u7ed8\u5236\u663e\u793a\u533a\u57df range_size_x = self.range_max_list(1)-self.range_min_list(1); range_size_y = self.range_max_list(2)-self.range_min_list(2); axis([self.range_min_list(1)-0.2*range_size_x,self.range_max_list(1)+0.2*range_size_x, self.range_min_list(2)-0.2*range_size_y, self.range_max_list(2)+0.2*range_size_y]); axis equal; % \u56fa\u5b9a\u6a2a\u7eb5\u5750\u6807\u8f74 set(gca,’XLim’,[self.range_min_list(1)-0.1*range_size_x self.range_max_list(1)+0.1*range_size_x]); set(gca,’YLim’,[self.range_min_list(2)-0.1*range_size_y self.range_max_list(2)+0.1*range_size_y]); % \u6bcf0.1\u7ed8\u5236\u4e00\u6b21 pause = 0.1; % \u9700\u8981\u4fdd\u5b58git\u5219\u8bbe\u7f6eis_save = true if is_save %\u4e0b\u9762\u662f\u4fdd\u5b58\u4e3aGIF\u7684\u7a0b\u5e8f frame=getframe(gcf); % \u8fd4\u56de\u5355\u5e27\u989c\u8272\u56fe\u50cf imind=frame2im(frame); % \u989c\u8272\u8f6c\u6362 [imind,cm] = rgb2ind(imind,256); filename = [name,’_2d.gif’]; if […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-30","post","type-post","status-publish","format-standard","hentry","category-share"],"_links":{"self":[{"href":"https:\/\/obagg.com\/index.php\/wp-json\/wp\/v2\/posts\/30","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/obagg.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/obagg.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/obagg.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/obagg.com\/index.php\/wp-json\/wp\/v2\/comments?post=30"}],"version-history":[{"count":0,"href":"https:\/\/obagg.com\/index.php\/wp-json\/wp\/v2\/posts\/30\/revisions"}],"wp:attachment":[{"href":"https:\/\/obagg.com\/index.php\/wp-json\/wp\/v2\/media?parent=30"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/obagg.com\/index.php\/wp-json\/wp\/v2\/categories?post=30"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/obagg.com\/index.php\/wp-json\/wp\/v2\/tags?post=30"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}