Skip to main content

Table 1 The best choice types of testing the parameter \(\lambda _{n}\) for the fast convergence

From: An improved fast iterative shrinkage thresholding algorithm with an error for image deblurring problem

Type

A1

A2

A3

A4

A5

B1

B2

C1

C2

\(\lambda _{n}\)

\(\frac{M}{10}\)

\(M-\frac{M}{10}\)

M

\(M+\frac{M}{10}\)

\(2M-\frac{M}{10}\)

\(\frac{Mn}{n+1}\)

\(\frac{M(n+2)}{n+1}\)

\(M+\frac{(-1)^{n} M}{n+1}\)

\(M+\frac{(-1)^{n+1} M}{n+1}\)