在Matlab中绘制折线图和柱状图（横坐标设置为字符串形式，并注意其他相关事项）

    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]);
    an