[Matlab]Matlab中改变y轴刻度为特定字符

 % 画图
    h = figure(1);
    clf(h);
    ax1 = subplot(2,1,1);bar(BCG_data);title("BCG实时睡眠分期算法结果");
    set(gca,'linewidth',0.5,'fontsize',15,'fontname','宋体');
    set(gca,'ytick',[0 1 3]);
    set(gca,'yticklabel',{"深睡" "浅睡" "清醒"});
    set(gca,'position',[0.1 0.6 0.8 0.3]);
    
    ax2 = subplot(2,1,2);bar(PSG_data);title("安波澜PSG历史分期数据对比");
    set(gca,'linewidth',0.5,'fontsize',15,'fontname','宋体');
    % linkaxes([ax1,ax2],'x');
    
    set(gca,'position',[0.1 0.1 0.8 0.3]);