Draw vertical lines which have constant interval
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Hi, I attached time(datetime, 1980.1.1~2015.12.31) and set y value as P=[1:432].
* I convert date form.I also attached original time form(original_time)
time = datetime(original_form,'ConvertFrom','datenum');
If i draw the plot, i got below figure.
plot(time,P);
datetick('x','yy/mm','keeplimits');
grid on
And i want to add constant vertical line on every March.
I couldn't fine proper method. Please help me :(
2 Kommentare
Akzeptierte Antwort
VBBV
am 3 Okt. 2022
Bearbeitet: VBBV
am 3 Okt. 2022
P=[1:432]
original_form = load('original_time.mat')
time = datetime(original_form.t,'ConvertFrom','datenum')
plot(time,P);
%datetick('x','yy/mm','keeplimits');
grid on
march = time(1) + calmonths(2) : calyears(1) : time(end)
xticks(march)
xline(march,'linestyle','--')
3 Kommentare
VBBV
am 3 Okt. 2022
Bearbeitet: VBBV
am 3 Okt. 2022
Following @Walter Roberson answer, you could change the xticks for the plot axis and then draw xline as usual for every march month
VBBV
am 3 Okt. 2022
Bearbeitet: VBBV
am 3 Okt. 2022
@Walter Roberson you're right. sorry, i overlooked that line. thanks for it.
Weitere Antworten (1)
Walter Roberson
am 3 Okt. 2022
Bearbeitet: Walter Roberson
am 3 Okt. 2022
time = datetime(original_form,'ConvertFrom','datenum');
plot(time, P);
firstmarch = dateshift(time(1), 'start', 'year') + calmonths(2);
lastmarch = dateshift(time(end), 'start', year') + calmonths(2);
marchs = firstmarch : calmonths(12) : lastmarch;
xline(marchs)
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