Gradient_D_cpp

is a frequency matrix \(m \times s\) with frequency vectors in matrix rows.

is a data sketch. It is a \(2m\)-dimensional vector.

Gradient with respect to dictionary using sparse product

internal

Toolbox for learning a dictionary from large-scale data collection
using the Sketched Stochastic Dictionary Learning method (see Permiakova O, Burger T.
"Sketched Stochastic Dictionary Learning for large-scale data and application to large-scale
mass spectrometry data", 2021). It includes the routines for the dictionary initialization.

Olga Permiakova

Gradient_D_cpp: Gradient D

Description

Usage

Arguments

Value