From: General inertial proximal stochastic variance reduction gradient for nonconvex nonsmooth optimization
Sample size
Sample dimension
Sparse number
\(\mu _{1}\)
\(\mu _{2}\)
Group 1
100
1000
10
10−2
10−3
Group 2
300
3000
30
Group 3
500
5000
50
10−4
Group 4
700
7000
70