Augmented Graph Fourier Transform (AuGFT) – File Exchange – MATLAB Central (mathworks.com) has been released.
It includes functions for augmented GFT, which facilitates the realization of real-valued filters for directed graph signals, and scripts for their application.
Please try them out.
Acknowledgements: This research was supported by Grant-in-Aid for Scientific Research 21H04596 and Grant-in-Aid for Scientific Research 22H00512.