Auto refresh Matlab on Real TIme Data

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Dafnik Saril Kumar David 2019-8-5

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https://ww2.mathworks.cn/matlabcentral/answers/474924-auto-refresh-matlab-on-real-time-data

编辑： awezmm 2019-8-7

I have a real time data of excel file which updates with respect to encoder data each second, I am able to plot the data in matlab but I have to run(F5) each time to get the updated one. Is there any automated way of refreshing/run(F5) the matlab code rather than infinite loop( the time limit which I can just estimate for my work is 3 hours,). Please let me know if any method available for my issue.

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Answer 1

awezmm 2019-8-5

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https://ww2.mathworks.cn/matlabcentral/answers/474924-auto-refresh-matlab-on-real-time-data#answer_386272

Try using linkdata command:

https://www.mathworks.com/help/matlab/creating_plots/making-graphs-responsive-with-data-linking.html

https://www.mathworks.com/help/matlab/ref/linkdata.html

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Dafnik Saril Kumar David 2019-8-7

Thanks for the response., but the above have the excel data linked but the matlab does not change the data. i just want to update the graph with the updated excel data. does the linkdata still work for that. Recently i came to know about the timer function but it has a delay. i dont want the delay. i want to see the real time path.

awezmm 2019-8-7

编辑：awezmm 2019-8-7

You can use an infinite while loop to continuosly import excel data. Or use the infinite while loop to continuosly check if data has been changed and then import.

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