MATLAB怎样画出高数课本上的的这些区间示意图




代码：

网站建设哪家好，找创新互联！专注于网页设计、网站建设、微信开发、微信平台小程序开发、集团企业网站建设等服务项目。为回馈新老客户创新互联还提供了广灵免费建站欢迎大家使用！

close all
%% 微信公众号：海洋与大气科学
%% 作者：mapm：QQ:916490285
%% 时间：2022年12月1号
%% 1:双闭区间
figure
set(gcf,'color','w')
scatter(0,0,'o','MarkerEdgeColor','black','MarkerFaceColor','black');
hold on
scatter(1,0,'o','MarkerEdgeColor','black','MarkerFaceColor','black');
hold on
scatter(5,0,'o','MarkerEdgeColor','black','MarkerFaceColor','black');
hold on
annotation('arrow',[0.2 0.8],[0.52 0.52],'LineStyle','-','color',[0 0 0],'HeadStyle','cback3');
hold on
line([1,5],[1,1],'color','k')
hold on
line([1,1],[0,1],'color','k')
hold on
line([5,5],[0,1],'color','k')
axis([-2 8 -10 10])
hold on
for i=1:0.5:4.5
line([i,i+0.5],[0,1],'color','k')
hold on
end
text(0,-1,'O','fontsize',14,'fontweight','bold','fontname','time news roman')
text(1,-1,'a','fontsize',14,'fontweight','bold','fontname','time news roman')
text(5,-1,'b','fontsize',14,'fontweight','bold','fontname','time news roman')
text(6.5,-1,'x','fontsize',14,'fontweight','bold','fontname','time news roman')
text(2,2,'[a,b]','fontsize',14,'fontweight','bold','fontname','time news roman')
set(gca,'xtick',[],'xticklabel',[],'xcolor','w','ytick',[],'yticklabel',[],'ycolor','w')
title('双闭区间','fontsize',14,'fontweight','bold','fontname','黑体')
export_fig('双闭区间.png','-r300')
%% 2:双开区间

figure
set(gcf,'color','w')
scatter(0,0,'o','MarkerEdgeColor','black','MarkerFaceColor','black');
hold on
scatter(1,0,'o','MarkerEdgeColor','black','MarkerFaceColor','w');
hold on
scatter(5,0,'o','MarkerEdgeColor','black','MarkerFaceColor','w');
hold on
annotation('arrow',[0.2 0.8],[0.52 0.52],'LineStyle','-','color',[0 0 0],'HeadStyle','cback3');
hold on
line([1,5],[1,1],'color','k')
hold on
line([1,1],[0,1],'color','k')
hold on
line([5,5],[0,1],'color','k')
axis([-2 8 -10 10])
hold on
for i=1:0.5:4.5
line([i,i+0.5],[0,1],'color','k')
hold on
end
text(0,-1,'O','fontsize',14,'fontweight','bold','fontname','time news roman')
text(1,-1,'a','fontsize',14,'fontweight','bold','fontname','time news roman')
text(5,-1,'b','fontsize',14,'fontweight','bold','fontname','time news roman')
text(6.5,-1,'x','fontsize',14,'fontweight','bold','fontname','time news roman')
text(2,2,'(a,b)','fontsize',14,'fontweight','bold','fontname','time news roman')
set(gca,'xtick',[],'xticklabel',[],'xcolor','w','ytick',[],'yticklabel',[],'ycolor','w')
title('双开区间','fontsize',14,'fontweight','bold','fontname','黑体')
export_fig('双开区间.png','-r300')
%% 3 左开右闭

figure
set(gcf,'color','w')
scatter(0,0,'o','MarkerEdgeColor','black','MarkerFaceColor','black');
hold on
scatter(1,0,'o','MarkerEdgeColor','black','MarkerFaceColor','w');
hold on
scatter(5,0,'o','MarkerEdgeColor','black','MarkerFaceColor','k');
hold on
annotation('arrow',[0.2 0.8],[0.52 0.52],'LineStyle','-','color',[0 0 0],'HeadStyle','cback3');
hold on
line([1,5],[1,1],'color','k')
hold on
line([1,1],[0,1],'color','k')
hold on
line([5,5],[0,1],'color','k')
axis([-2 8 -10 10])
hold on
for i=1:0.5:4.5
line([i,i+0.5],[0,1],'color','k')
hold on
end
text(0,-1,'O','fontsize',14,'fontweight','bold','fontname','time news roman')
text(1,-1,'a','fontsize',14,'fontweight','bold','fontname','time news roman')
text(5,-1,'b','fontsize',14,'fontweight','bold','fontname','time news roman')
text(6.5,-1,'x','fontsize',14,'fontweight','bold','fontname','time news roman')
text(2,2,'(a,b]','fontsize',14,'fontweight','bold','fontname','time news roman')
set(gca,'xtick',[],'xticklabel',[],'xcolor','w','ytick',[],'yticklabel',[],'ycolor','w')
title('左开右闭','fontsize',14,'fontweight','bold','fontname','黑体')
export_fig('左开右闭.png','-r300')
%% 4 左闭右开

figure
set(gcf,'color','w')
scatter(0,0,'o','MarkerEdgeColor','black','MarkerFaceColor','black');
hold on
scatter(1,0,'o','MarkerEdgeColor','black','MarkerFaceColor','k');
hold on
scatter(5,0,'o','MarkerEdgeColor','black','MarkerFaceColor','w');
hold on
annotation('arrow',[0.2 0.8],[0.52 0.52],'LineStyle','-','color',[0 0 0],'HeadStyle','cback3');
hold on
line([1,5],[1,1],'color','k')
hold on
line([1,1],[0,1],'color','k')
hold on
line([5,5],[0,1],'color','k')
axis([-2 8 -10 10])
hold on
for i=1:0.5:4.5
line([i,i+0.5],[0,1],'color','k')
hold on
end
text(0,-1,'O','fontsize',14,'fontweight','bold','fontname','time news roman')
text(1,-1,'a','fontsize',14,'fontweight','bold','fontname','time news roman')
text(5,-1,'b','fontsize',14,'fontweight','bold','fontname','time news roman')
text(6.5,-1,'x','fontsize',14,'fontweight','bold','fontname','time news roman')
text(2,2,'[a,b)','fontsize',14,'fontweight','bold','fontname','time news roman')
set(gca,'xtick',[],'xticklabel',[],'xcolor','w','ytick',[],'yticklabel',[],'ycolor','w')
title('左闭右开','fontsize',14,'fontweight','bold','fontname','黑体')
export_fig('左闭右开.png','-r300')

你是否还在寻找稳定的海外服务器提供商？创新互联www.cdcxhl.cn海外机房具备T级流量清洗系统配攻击溯源，准确流量调度确保服务器高可用性，企业级服务器适合批量采购，新人活动首月15元起，快前往官网查看详情吧

新闻名称：MATLAB怎样画出高数课本上的的这些区间示意图-创新互联
浏览路径：http://hbruida.cn/article/dioihp.html