how to put year as date tick in matlab

hi, i am trying to put date tick in x axis using MATLAB 2010, date range is 2011/2012, but i have error in year format in x axis, the code is below thanks to help me

 set(figure,'Color','white')
startDate = datenum(txt(w+2));
endDate = datenum(txt(end));
xData = linspace(startDate,endDate,length(de));
str = datestr(xData, 'mmm-yyyy');
plot(xData,de,'b',xData,re,'k')
NumTicks = 12;[enter image description here][1]
L = get(gca,'XLim');
set(gca,'XTick',linspace(L(1),L(2),NumTicks))
datetick('x','mmm yyyy','keeplimits', 'keepticks')
xticklabel_rotate;
set(gca,'XMinorTick','on','YMinorTick','on')
y_labels = get(gca, 'YTick');
set(gca, 'YTickLabel', y_labels); [year format error][1]

[dpb]

Without the date text converted by datenum I'd guess the problem may stem from the interpretation therein since you didn't provide a specific format string.

Does

datestr(datenum)

return equivalent of the strings in txt ?

[samir hamid]

no

[Walter Roberson]

You will need to give us a hint as to what the original date format is so that we can advise you on how to code the datenum() calls.

[samir hamid]

>> txt

txt =

    '01/08/2008'
    '02/08/2008'
    '03/08/2008'
    '04/08/2008'
    '05/08/2008'
    '06/08/2008'
    '07/08/2008'
    ...

[elided very long list for brevity ... stephen]

[dpb]

There is no variable re in the above code snippet and the numbers pasted above seem to have no bearing on what the date string format is which is the issue if the date returned by datestr didn't match.

This is a two way street, we can't see your terminal from here so you've got to give sufficient detail and pertinent information to have any chance that somebody can solve the problem.

But, the general advice is, fix the call to datenum to include a date format string that matches what the input dates look like. When you've done that, check that the above test indicates you got it right.

doc datenum % see formatIn argument for details

Answer 1

[Walter Roberson]

Change

startDate = datenum(txt(w+2));
endDate = datenum(txt(end));

to

startDate = datenum(txt(w+2), 'dd/mm/yyyy');
endDate = datenum(txt(end), 'dd/mm/yyyy');

[samir hamid]

thanks to all who give me help, the Excel date format shold be changed, using x2mat function