matlab柱狀圖畫法

%%各時段電量需求
clc
close all
clear all
x = [11000	33000	25000	36000	25000	30000	18000];
tick = {'0-6' '6-9' '9-12' '12-14' '14-18' '18-22' '22-24'};
bar(x)
fontsize = 24;
set(gca,'XTickLabel',tick)
set(gca,'FontSize',fontsize)
xlabel('時段')
ylabel('需求（單位：千瓦）')
title('每日用電需求')
t=1:length(x);
%在柱狀圖上方顯示數值
for i = 1:length(x)
text(t(i),x(i)+1800,num2str(x(i)),'VerticalAlignment','middle','HorizontalAlignment','center','FontSize',fontsize);
end