2 0 0 0 OA On using the shifted minimal residual method for quantum-mechanical wave packet simulation
- 著者
- Hiroaki Seito Takeo Hoshi Yusaku Yamamoto
- 出版者
- The Japan Society for Industrial and Applied Mathematics
- 雑誌
- JSIAM Letters (ISSN:18830609)
- 巻号頁・発行日
- vol.11, pp.13-16, 2019 (Released:2019-03-05)
- 参考文献数
- 11
We apply the shifted minimum residual method to a shifted linear system $(A+i\sigma I){\bf x}={\bf b}$ arising from quantum-mechanical wave packet simulation and discuss its advantages and disadvantages, comparing it with the widely used COCG method. Although the method requires more vector operations per iteration than the COCG method, it enjoys such nice properties as being free from breakdown, monotonic decrease of the residual norm and applicability to Hermitian-plus-shift systems, and can be a method of choice in some cases. Application of the method to the case of multiple shifts is also discussed.
1 0 0 0 OA Development of Simultaneous Measurement System for X-ray Absorption Spectra at Two Absorption Edges
- 著者
- Misaki KATAYAMA Hirona YAMAGISHI Yusaku YAMAMOTO Yasuhiro INADA
- 出版者
- The Japan Society for Analytical Chemistry
- 雑誌
- Analytical Sciences (ISSN:09106340)
- 巻号頁・発行日
- pp.19SAP02, (Released:2019-10-04)
- 被引用文献数
- 2