matlab 双坐标折线图画法

matlab 双坐标折线图画法

%%各时段电量需求

clc

close all

clear all

cost_gd = [2200 1800 3800 4600];

cost_bj = [2.7 2.2 1.8 3.6];

cost_qd = [4000 1500 2500 1000];

fontsize = 24;

axes('Parent',figure,'FontSize',fontsize);

t=1:length(cost_gd);

yyaxis left ;

ylim([0,5000]);

xlim = ([-2,6]);

plot(t,cost_gd,'ro-',t,cost_qd,'b*-','LineWidth',2)

ylabel('固定成本/启动成本');

tick = {'型号1' ''  '型号2' '' '型号3' '' '型号4'};

set(gca,'XTickLabel',tick)

yyaxis right;

ylim([0,5]);

xlim = ([-1,5]);

plot(t,cost_bj,'gx-','LineWidth',2);

ylabel('边际成本');

title('各型号发电机成本对比')

xlabel('各型号发电机')

legend('固定成本（单位：元/小时）','启动成本(单位：元/次)','边际成本（单位：元/小时）')

legend('Location','NorthWest')