how to insert data into matlab

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mado
mado on 14 Aug 2022
Answered: Star Strider on 14 Aug 2022
I have input/output data in excel sheet and i want to insert it into identification toolbox. How to do that?

Answers (1)

Star Strider
Star Strider on 14 Aug 2022
With R2015a use the xlsread function to import the data. Get all of the outputs in case there is column header information that you need to know in order to use the data correctly. That will pe present in the second and third outputs. Ideally, you should also have a time vector or at least a sampling frequency as well as the input/output data.
Then, depending on the information you have, use the iddata function (or idfrd, whatever is appropriate to your data) and go from there. I use the ssest function to define the system, since it is the most robust (at lelast in my experience).
I know nothing about your data, so explore the documentation to determine how best to characterise and identify your system.

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