Graph Signal Processing, Fourier Transform, Graph Fourier Transform, Eigenvectors, Spectral Analysis.
the previous section in shift for DSP. We can write shift of graph signal as follows, Shifting a graph signal Note that we have replaced the filter matrix H with Ac. Ac is called the circulant matrix and it will provide a cyclic shift to a graph signal. Ac is as follows. Circulant matric Ac Let’s