I want to extract the linear x and y data from the overall data. I have version 2017a in which "ischange" function is not present any alternatove method

I want to extract the linear x and y data from the overall data. I have version 2017a in which "ischange" function is not present any alternatove method, Any help would be appreciated

Answer 1

[Steven Lord]

So you want to detrend your data? The detrend function has existed since before release R2006a.

[Haseeb Hashim]

Please explain that how detrend works

[Haseeb Hashim]

What is the mechanism of working of detrend function will it help in this regard

[Steven Lord]

Take a look at the examples on the documentation page for the function to see if any of them look like what you're trying to do. If they do, adapt them to suit your needs. If they don't, explain in more detail exactly what you mean by "extract the linear x and y data".

doc detrend