x=0:0.25:2.25;
% y=[90,85.33,80,87.27,92.23,96.21,100.22,103.90,105,106.25];
% % b=[73.189,71.72,82.03,109.75,139.88,172.18,204.77,231];
% %c=[68.82,78.43,80.35,90.42,124.55,145.93,180.277,226.108];
% values = spcrv([[x(1) x x(end)];[y(1) y y(end)]],3);
% plot(values(1,:),values(2,:), 'b');
%两个门有引领无知识
% a=[32.40,35.80793,38.64656,42.44709,48.76953,55.37183,65.59564,73.38764,81.75719];
% %两个门原始社会力
b=[1.35,1.28,1.21,1.07,0.9,0.76,0.65,0.56,0.46,0.38];
y=[1.34,1.3,1.22,1.1,0.92,0.79,0.69,0.61,0.52,0.45];
plot(x,y,'--ks','markerfacecolor','k','MarkerSize',6);
hold on;
plot(x,b,'-r^','markerfacecolor','r','MarkerSize',6);
% plot(x,a,'--k');
axis([0,2.5,0,1.4])
set(gca,'XTick',[0:0.25:2.5]) %改变x轴坐标间隔显示 这里间隔为10
set(gca,'YTick',[0:0.2:1.4]) %改变y轴坐标间隔显示 这里间隔为10
% legend('Leaving time for 200 people',0);
h1=xlabel('$$\rho[1/m^2]$$','FontSize',13);
h2=ylabel('v$[m/s]$','FontSize',13);
% set(gca,'FontSize',20);
set(h1,'Interpreter','latex');
set(h2,'Interpreter','latex')
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原文：https://blog.csdn.net/u010681011/article/details/77840921
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