![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/291306/image.png)
a raw ECG text file from Opensignals programm.
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Nabil Yassin
le 7 Mai 2020
Commenté : Juan David Espinosa
le 22 Fév 2021
hello, i have a raw ECG text file from Opensignals programm. how can i plot this? any help? response will be appreciated.
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Ameer Hamza
le 8 Mai 2020
Try this
% extract data
data = readmatrix('opensignals_98d391fd3f18_2020-05-07_16-43-17.txt', ...
'HeaderLines', 3, 'ExpectedNumVariables', 6);
% plot 6th column
plot(data(:,6))
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/291306/image.png)
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Juan David Espinosa
le 22 Fév 2021
thx a lot, that help me a lot. but the graph is a little different if a compare with the OpenSignals graph, meybe i can plot only 100 samples ?
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