Loading and Plotting .mat file
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Please view the files below, I need help plotting them. Thanks in advance.
5 个评论
Dyuman Joshi
2023-10-2
Use load to load the variables from the .mat files into workspace and use the appropriate function to plot the data.
Abdulla AlAnsari
2023-10-2
Dyuman Joshi
2023-10-2
"Can you help me with the ‘appropriate function’."
That depends. Which type of plot do you want to do?
Also, take a look here - https://in.mathworks.com/products/matlab/plot-gallery.html
Abdulla AlAnsari
2023-10-2
I need my plots to be similar to the below:
Dyuman Joshi
2023-10-3
Well @Abdulla AlAnsari, @Star Strider has been kind enough to provide you with a full working solution.
Check the answer below.
采纳的回答
If you want to plot the ‘wl’ field in each one, this works —
Files = dir('*.mat');
figure
tiledlayout(3,3)
for k = 1:numel(Files)
Name = Files(k).name;
LD = load(Files(k).name);
wl = LD.wl;
nexttile
plot(wl(:,1), wl(:,2),'-r')
hold on
plot(wl(:,1), wl(:,3),'-b')
hold off
grid
grid('minor')
title(Name)
end
Make appropriate changes to get the desired result.
EDIT — (2 Oct 2023 at 19:02)
Added this —
Apparently this is a ‘guess what I want to plot’ problem.
Select the ‘wl’ field instead, since that appears to be the most promising.
Choose the two files you want to plot, using the ‘FileSelection’ vector (any two will work, and in any order, providing the numbers are between 1 and 9).
figure
tiledlayout(2,1)
FileSelection = [7 6];
for k = 1:2
Name1 = extractBefore(Files(FileSelection(k)).name,'.');
LD1 = load(Files(FileSelection(k)).name);
wl1 = LD1.wl;
% Name2 = extractBefore(Files(k+1).name,'.');
% LD2 = load(Files(k+1).name);
% wl2 = LD2.wl;
nexttile
plot(wl1(:,1), wl1(:,2), '-r', 'DisplayName','Input Signal')
hold on
plot(wl1(:,1), wl1(:,3), '-b', 'DisplayName','Response')
hold off
grid
grid('minor')
xlabel('Time (s)')
ylabel('Input Signal (rad/s)')
legend('Location','best')
title(Name1)
end
.
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