How do I combine two or more graphs into one file

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Evan Tannler
Evan Tannler 2019-4-10
回答： ag 2024-9-25
I have 3 Graphs plotted, labeled, and saved. I know there are subplots to create with data but can not figure out how to create a set similar to subplots with already created graphs. I just want to combine the three graphs I have saved seperately all together into one figure with their own labels.

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回答（1 个）

ag
ag 2024-9-25
Ran in:
Hi Evan,
To plot multiple graphs on the same figure window, you can use the "hold on" command.
The below code snippet demonstrate how to achieve this using dummy data:
% Data for plotting
x = linspace(0, 2*pi, 100);
y1 = sin(x);
y2 = cos(x);
% First graph
figHandle = figure; % Open a new figure window
plot(x, y1);
hold on
% Second graph
plot(x, y2);
xlabel('x');
legend('sin(x)', 'cos(x)'); %add legends
title('Waves');
To save the figure, you can use the below command
exportgraphics(figHandle,"myplot.jpg") % Save a JPEG
For more details, please refer to the following MathWorks documentation: Hold - https://www.mathworks.com/help/matlab/ref/hold.html
Hope this helps!

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