How to set start & end dates from my time series as limits of my x-axis

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Isma
Isma 2015-4-22
评论： Isma 2015-4-22
hi
when i plot my series, the chart starts with a date and ends with another which are not held in my raw data thus creating empty spaces on the chart.
to clarify: the start date from my data is 3/3/2003 and ends at 1/26/2015. however from my below script , matlab outputs a chart starting on 01-01-2000 ending on 01-01-2020 for some reasons. Hence blank spaces are displayed on the chart from 01-01-2000 to 3-3-2003 and from 1-26-2015 to 01-01-2020.
for curiousity does someone know why matlab adds automatically 01-01-2000 && 01-01-2020 to the chart? is there a way of limiting the x-axis to my time series date so as to improve the quality of the chart? i've already tried
axis([-10 10 0 inf])
without any improvement. cheers
%ABRXEUR
t_=x(:,1);
t_x=cellfun(@datenum,x(:,1));
px_=x(:,2);
px_x=cell2mat(x(:,2));
rt_=x(:,3);
rt_x=cell2mat(x(:,3));
subplot(2,2,1);
plot(t_x,px_x),datetick('x','dd/mm/yyyy'),xlabel('date'),ylabel('price'),title('x');
subplot(2,2,2);
plot(t_x,rt_x),datetick('x','dd/mm/yyyy'),xlabel('date'),ylabel('return'),title('y');

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采纳的回答

Guillaume
Guillaume 2015-4-22
Have you tried?
axis tight
  1 个评论
Isma
Isma 2015-4-22
Cheers Guillaume, it does improve the chart's quality. the main drawback as far as i am concerned: it removes any date from the x-axis. Thus do you have any idea on the way to divide the x-axis into few segments and see them displayed in the chart?

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