-  3.41.0
matfaust::factparams::ParamsPalm4msaWHT Class Reference

This class is a simple parameterization of PALM4MSA to factorize a Hadamard matrix using the matfaust.proj.skperm proximity operator. More...

Public Member Functions

function ParamsPalm4msaWHT (matrix_size, varargin)
 Constructor. More...
- Public Member Functions inherited from matfaust::factparams::ParamsPalm4MSA
function ParamsPalm4MSA (constraints, stop_crit, varargin)
 Constructor. More...
- Public Member Functions inherited from matfaust::factparams::ParamsFact
function ParamsFact (num_facts, constraints, varargin)

Additional Inherited Members

- Static Public Member Functions inherited from matfaust::factparams::ParamsFact
static function factor_format_str2int (factor_format)
static function parse_opt_args (cell_args, opt_arg_names, opt_arg_map)
static function get_constraints (constraints)
 Returns a cell array of constraints from constraints which is a ConstraintList or cell array that can be a mix of pyfaust.factparams.ConstraintGeneric or pyfaust.proj.proj_gen. If projs is a ConstraintList then the function just returns the same object as is. More...
- Public Attributes inherited from matfaust::factparams::ParamsFact
Property step_size
Property constant_step_size
Property factor_format
Property packing_RL
Property norm2_max_iter
Property norm2_threshold
Property use_MHTP
Property no_normalization
Property no_lambda
- Protected Attributes inherited from matfaust::factparams::ParamsFact
Constant Property DEFAULT_STEP_SIZE = 10
Constant Property DEFAULT_VERBOSITY = false
Constant Property DEFAULT_CONSTANT_STEP_SIZE = false
Constant Property DEFAULT_INIT_LAMBDA = 1.0
Constant Property DEFAULT_IS_UPDATE_WAY_R2L = false
Constant Property DEFAULT_PACKING_RL = true
Constant Property DEFAULT_FACTOR_FORMAT = 'dynamic'
Constant Property DEFAULT_NO_NORMALIZATION = false
Constant Property DEFAULT_NO_LAMBDA = false
Constant Property DEFAULT_NORM2_MAX_ITER = 0
Constant Property DEFAULT_NORM2_THRESHOLD = 0
Constant Property IDX_FACTOR_FORMAT = 9
Constant Property IDX_PACKING_RL = 10
Constant Property IDX_NO_NORMALIZATION = 11
Constant Property IDX_NO_LAMBDA = 12

Detailed Description

This class is a simple parameterization of PALM4MSA to factorize a Hadamard matrix using the matfaust.proj.skperm proximity operator.


import matfaust.fact.palm4msa
import matfaust.wht
d = 128;
H = full(wht(d));
F = palm4msa(H, p);
err = norm(full(F)-H)/norm(H) % should be about 1e-16

Reference: [1] Quoc-Tung Le, RĂ©mi Gribonval. Structured Support Exploration For Multilayer Sparse Matrix Fac- torization. ICASSP 2021 - IEEE International Conference on Acoustics, Speech and Signal Processing, Jun 2021, Toronto, Ontario, Canada. pp.1-5 hal-03132013.

See also matfaust.fact.palm4msa

Constructor & Destructor Documentation

◆ ParamsPalm4msaWHT()

function matfaust::factparams::ParamsPalm4msaWHT::ParamsPalm4msaWHT ( matrix_size  ,


The documentation for this class was generated from the following file:
function ParamsPalm4msaWHT(matrix_size, varargin)
function wht(n, varargin)
Constructs a Faust implementing the Walsh-Hadamard Transform (WHT) of order n.
def norm(F, ord='fro', **kwargs)
Returns Faust.norm(F, ord)` ornumpy.linalg.norm(F, ord)`` depending of F type.
Definition: __init__.py:3917
The FAuST Matlab Wrapper
Definition: bsl.m:1
def palm4msa(M, p, ret_lambda=False, backend=2016, on_gpu=False)
Factorizes the matrix M with Palm4MSA algorithm using the parameters set in p.
Definition: fact.py:574
This class is a simple parameterization of PALM4MSA to factorize a Hadamard matrix using the matfaust...
Definition: ParamsPalm4msaWHT.m:58
The matfaust factorization module.
Definition: butterfly.m:1
The module for the parametrization of FAuST's algorithms (Palm4MSA and Hierarchical Factorization)