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how to hold legend

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Elysi Cochin
Elysi Cochin 2013-10-26
评论： Shyam Jani 2022-9-1
how to hold legend... the plot is coming correctly... but the legend is coming only for the last one.... how to hold the legend....
col = hsv(9);
for i = 1:cs
plot(x, y, 'LineWidth', 2, 'color', col(j,:)); hold on
legendInfo{i} = Info{i};
legend(legendInfo, 'Location', 'Best'); hold all
end

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Azzi Abdelmalek
Azzi Abdelmalek 2013-10-26
编辑：Azzi Abdelmalek 2013-10-26
Look at this Example
t=0:0.1:10;
y1=sin(t);
y2=cos(t);
% ------Plot the first data----------
plot(t,y1);
h=legend('word1')
%-------Plot the second data---------
hold on
plot(t,y2);
str=get(h,'string')% get the previous legend
new_leg='word2' % your new legend
h=legend([str new_leg]) % concatenate the new and the previous legend
  2 个评论
Rajani Metri
Rajani Metri 2020-12-5
Sir,
But it is not holding the Marker of those legends. What to do to hold the marker in legend?
Thank you.
Shyam Jani
Shyam Jani 2022-9-1
Hello,
To update the Legend box try this code. The code@Azzi Abdelmalek has written is 80% correct just you need to update few lines (see below)
t=0:0.1:10;
y1=sin(t);
y2=cos(t);
% ------Plot the first data----------
plot(t,y1);
h=legend('word1')
%-------Plot the second data---------
hold on
plot(t,y2);
str=get(h,'string')% get the previous legend
%------These lines you should update--------%
str(end) = [] % delete last element of the cell arrray.
str{end+1} = "word2"; % Adding string
h = legend([str]); % Updating legend box

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