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GSP_NGWFT - Normalized graph windowed Fourier transform

Usage

G = gsp_ngwft(G,f,g, param);
G = gsp_ngwft(G,f,g);

Input parameters

G Graph
f Graph signal
g window
param Structure of optional parameter

Output parameters

C Coefficient

Description

This function compute the normalized graph windowed Fourier transform of a signal f with the window g. The function returns a matrix of size N^2*N.

param a Matlab structure containing the following fields:

  • param.verbose : 0 no log, 1 print main steps, 2 print all steps. By default, it is 1.
  • param.lowmemory : use less memory. By default, it is 1.