From which version of MATLAB the "ischange" function was introduced

Ischange function

Answer 1

[Voss]

(From https://www.mathworks.com/help/matlab/ref/ischange.html)

Version History

Introduced in R2017b

[Haseeb Hashim]

Thankss I need to extract the linear data from the overall data is there another function which can help me as I am using 2017a please help