How can I hold the previous "legend" on a plot?
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sadel
am 14 Jun. 2011
Kommentiert: Walter Roberson
am 28 Sep. 2021
I use the "hold" function to hold the previous plots. But how can I hold the previous legends, too?
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Akzeptierte Antwort
sadel
am 17 Jun. 2011
6 Kommentare
Harshia Mathur
am 28 Sep. 2021
worked for me as well, Do you know anyway to customise this? I want to append a string, otherwise all it's saying is data1 , data2 etc..
Walter Roberson
am 28 Sep. 2021
@Harshia Mathur example
x=0:.01:10;
for alpha = [1 5 9]
plot(x, nthroot(sin(x).^alpha,7), 'DisplayName', "sin^{" + (alpha/7) + "}");
hold on;
end
hold off
ylim auto
legend show
Weitere Antworten (3)
Gerd
am 14 Jun. 2011
For example I you would like to show the sin and cos you would use
t=[0:0.1:10]
x=sin(t)
y=cos(t)
plot(t,x)
hold
plot(t,y,'r')
legend('sin','cos')
In your case you have to build the legendstring with the two different "strings" you want to show.
0 Kommentare
Gerd
am 14 Jun. 2011
Hi sadel, to get the current legend use
% you have to have a legend on the current plot
get(legend(gca),'String'); % get legend from current axes.
% Now you can set the legend of the new plot
Gerd
5 Kommentare
Rajani Metri
am 5 Dez. 2020
Hello,
but legend holding only text. It is showing legend indicators as lines, instead of asteric lines, which I used. It is not holding the marking points of plots. For holding Marker points of respective plots, what to do?
Thank You.
Walter Roberson
am 5 Dez. 2020
Which MATLAB version are you using? And please explain what you are trying to do in more detail?
Andrea Cavallini
am 6 Feb. 2018
Quick and dirty... at last (before hold off), draw something out of the scope of the plot, but with the right legend symbols. That will do
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