Position of two subplots with bar and plot charts

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Yaser Khojah
Yaser Khojah 2021 年 1 月 31 日
コメント済み: Yaser Khojah 2021 年 2 月 3 日
Hello, I am trying to align two subplots; a bar and a bar plots. Thus, I used position but I still find them not alighted. Could you please help
x_value = [1;2;3;4];
Analyti = [9343300000.00000;9343300000.00000;9343300000.00000;9343300000.00000];
NPV_all = [10098480743.4960, 9405675708.82828, 9345356723.26658, 9343358602.05035];
period = [0.109958329319958 0.00747830013942861 0.0753802706146702 1.68890524065252];
figure
subplot(2,1,1)
ylabel('NPV ($B)')
plot(x_value, Analyti /10^9,'--k'); hold on
p1 = plot(x_value, NPV_all'/10^9); hold on
hp = gca;
posn1 = hp.Position;
title('Impact of Discretizaion on NPV')
legend('Discrete NPV','continuous NPV', 'Analytical NPV')
xlabel('Discrete Time Method')
xticks([1:4])
xticklabels({'Years','Months','Days','Hours'})
ylim([8,11])
subplot(2,1,2)
p2 = bar(period); hold on
xticks([1:4])
xticklabels({'Years','Months','Days','Hours'})
ylabel('Seconds')
xlabel('Discrete Time Method')
hp2 = gca;
posn2 = hp2.Position;
set(hp2,'Position',[posn2(1:2), posn1(3:4)])

採用された回答

dpb
dpb 2021 年 1 月 31 日
編集済み: dpb 2021 年 1 月 31 日
You're messing with the wrong thing -- it's xlim you want to make the same...
...
figure
hAx(1)=subplot(2,1,1); % save the handle for later when create the axes...
ylabel('NPV ($B)')
plot(x_value, Analyti /10^9,'--k');
hold on
p1 = plot(x_value, NPV_all'/10^9);
title('Impact of Discretizaion on NPV')
legend('Discrete NPV','continuous NPV', 'Analytical NPV')
xlabel('Discrete Time Method')
xticks([1:4])
xticklabels({'Years','Months','Days','Hours'})
ylim([8,11])
hAx(2)=subplot(2,1,2);
p2 = bar(period); hold on
xticks([1:4])
xticklabels({'Years','Months','Days','Hours'})
ylabel('Seconds')
xlabel('Discrete Time Method')
xlim(hAx(1),hAx(2).XLim) % put both plots on same x-axis range
You could make it somewhat easier if you were to use a categorical variable for x instead...
...
periods={'Years','Months','Days','Hours'};
x_value=categorical([1:numel(periods)],[1:numel(periods)],periods,'Ordinal',1);
figure
hAx(1)=subplot(2,1,1);
hL(1)=plot(x_value, Analyti /10^9,'--k'); hold on
hL(2)=plot(x_value, NPV_all'/10^9);
title('Impact of Discretizaion on NPV')
legend('Discrete NPV','continuous NPV', 'Analytical NPV')
xlabel('Discrete Time Method')
ylabel('NPV ($B)')
ylim([8,11])
hAx(2)=subplot(2,1,2);
hBar=bar(x_value,period);
ylabel('Seconds')
xlabel('Discrete Time Method')
  1 件のコメント
Yaser Khojah
Yaser Khojah 2021 年 2 月 3 日
Thank you so mcuh for your help. It is really useful :)

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