matlab中画折线/柱状图（横坐标为字符串、及其它注意事项）

%画折线图

x = [1 2 3 4 5];
y = [2.27 12.60 17.20 14.33 16.03];
hold on;
axis([0 6 0 20]);
 
plot(x,y,'-*k','LineWidth',2);
 
%set(gcf, 'color', 'w');
 
%change the xlabel;
set(gca,'xticklabel',{'','Neutral','Happy','Sad','Anxious','Angry'});
 
text(1,2.3,'24.35');
text(2,24.2,'23.88');
text(3,24,'23.60');
text(4,24,'23.67');
text(5,25,'24.56');
 
 
xlabel('Speech probability','fontsize',15);
ylabel('EER(%)', 'fontsize',15);
 
% ??

%使图像带箭头 
annotation('arrow',[0.132 0.132],[0.8 1]);
annotation('arrow',[0.8 1],[0.108 0.108]);
%set(gca,'box','off','tick',[]);

%画柱状图