Journals
Publish with us
Publishing partnerships
About us
Blog
Mathematical Problems in Engineering
Journal overview
For authors
For reviewers
For editors
Table of Contents
Special Issues
Mathematical Problems in Engineering
/
2015
/
Article
/
Fig 4
/
Research Article
Block Preconditioners for Complex Symmetric Linear System with Two-by-Two Block Form
Figure 4
Spectrum of
and
for Example
2
.
(a)
and
(b)
and
(c)
and
(d)
and