plotting all the years of a time period vertically to the x-axis

Question

antonet 2013-8-29

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Dear all,

I have ns=2838 daily observations y. I plot these data using the following commands

 startDate = datenum('07-01-1996');
endDate = datenum('07-30-2007');
xData = linspace(startDate,endDate,ns);
 figure
plot(xData, y )
datetick( 'x','yyyy','keepticks' )

In this case, I obtain the following sequence of years on the x-axis:

1995, 19997, 1998,2000,2001,2002,2004, 2005, 2006, 2008

But I would like to have, vertically to the x-axis, all the years starting from 01/1996 till 30/2007, that is

01/1996, 01/1997, 01/1998 , 01/1999 01/2000 , 01/2001, 01/2002 ...

How could I modify the above code to do that?

Thanks in advance

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Answer 1

Azzi Abdelmalek 2013-8-29

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在 MATLAB Online 中打开

ns=2838;
startDate = datenum('07-01-1996');
endDate = datenum('07-30-2007');
xData = linspace(startDate,endDate,ns);
plot(xData, randn(ns))
xt=arrayfun(@num2str,(1996:2007),'un',0)
xl=get(gca,'xlim')
set(gca,'xtick',linspace(xl(1) ,xl(2),numel(xt)),'xticklabel',xt)

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antonet 2013-8-29

thanks Azzi. it works fine. the only remaining problem is that the plot ends before july 2007. how is that possible

Thanks for your patience!

Azzi Abdelmalek 2013-8-29

在 MATLAB Online 中打开

close
ns=2838;
startDate = datenum('07-01-1996');
endDate = datenum('07-30-2007');
xData = linspace(startDate,endDate,ns);
plot(xData, randn(ns))
xt=arrayfun(@num2str,(1996:2007),'un',0)
xl=[startDate endDate]
set(gca,'xlim',xl)
set(gca,'xtick',linspace(xl(1) ,xl(2),numel(xt)),'xticklabel',xt)

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Answer 2

Azzi Abdelmalek 2013-8-29

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/85956-plotting-all-the-years-of-a-time-period-vertically-to-the-x-axis#answer_95476

Look at this http://www.mathworks.com/support/solutions/en/data/1-15TK6/

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Azzi Abdelmalek 2013-8-29

Give a short example with data

antonet 2013-8-29

在 MATLAB Online 中打开

For instance,

 ns=2838;
 startDate = datenum('07-01-1996');
endDate = datenum('07-30-2007');
xData = linspace(startDate,endDate,ns);
 figure
subplot(2, 1, 1);
    plot(xData, randn(ns))
  datetick('x','yyyy','keepticks')

Two comments:

A) I do not obtain all the years on the x-axis. the year 1999, for instance, is missing. I want to have all the years from 1996 to july 2007 on the x axis.

B) As you can see, the matlab graph does not start from 1996 but from 1995. Similarly, the graph ends in 2008 which is a redundant year since the time period ends in july 2007. So can "throw" these redundant years?

Many thanks

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