
3.39.25

The demo for the hierarchical factorization of Hadamard matrices. More...
Static Public Member Functions  
static function  demo_fact_hadamard () 
This demo hierarchically factorizes the Hadamard dictionary and then plots the results. More...  
static function  norm_hadamard () 
This demo makes some time comparison between the 2norm of the Hadamard matrix and its Faust representation for different dimension of the Hadamard matrix. More...  
static function  speed_up_hadamard () 
This demo makes some time comparison between (Hadamard matrix)vector multiplication and (Hadamard factorisation i.e a FAuST)vector multiplication for different dimension of the Hadamard matrix. More...  
The demo for the hierarchical factorization of Hadamard matrices.

static 
This demo hierarchically factorizes the Hadamard dictionary and then plots the results.
This essentially reproduces figure 2 from [1].
[1] Le Magoarou L. and Gribonval R., "Flexible multilayer sparse approximations of matrices and applications", Journal of Selected Topics in Signal Processing, 2016.

static 
This demo makes some time comparison between the 2norm of the Hadamard matrix and its Faust representation for different dimension of the Hadamard matrix.

static 
This demo makes some time comparison between (Hadamard matrix)vector multiplication and (Hadamard factorisation i.e a FAuST)vector multiplication for different dimension of the Hadamard matrix.