Make an average curve graph

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bozheng
bozheng 2024-1-30
编辑： Dyuman Joshi 2024-3-22
i wrote two code one is 20 line trend another i want to creat an average curve graph ， but there is a little strange, It feels like the average will be between 4-6
code1----------------------------
img1 = imread('20230814.jpg');
img = (-0.2./ (-0.3 ./ (46 ./ double(img1) - 1)) + 1) * 5;
center_row_data = img(415:435, 1:755);
subplot(2,1,2)
plot(center_row_data.');
title('Plotting each Row as a Line');
code2---------------------------
img1 = imread('20230814.jpg');
img = (-0.2./ (-0.3 ./ (45.39 ./ double(img1) - 1)) + 1) * 5.3;
center_row_data = img(415:435, 1:755);
average_data = mean(center_row_data, 2);
subplot(2, 1, 2);
plot(average_data);
title('average trend');
xlabel('列');
ylabel('温度');
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Dyuman Joshi
Dyuman Joshi 2024-1-30
编辑：Dyuman Joshi 2024-3-22
Unless mentioned specifically, MATLAB selects the limits on the axes based on the range of your data.
You can change the limits shown on the y-axis via ylim.

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