HASEGAWA Takemitsu 長谷川武光

Researcher Number	70023314
Other IDs
External Links
Affiliation (based on the past Project Information) *help	2014: 福井大学, 大学院工学研究科, 名誉教授 2012 – 2014: 福井大学, 工学(系)研究科(研究院), 名誉教授 2010 – 2011: 福井大学, 大学院・工学研究科, 名誉教授 2009: University of Fukui, 工学研究科, 教授 1999 – 2002: 福井大学, 工学部, 教授 1994 – 1996: 福井大学, 工学部, 教授 1988 – 1989: 福井大学, 工学部, 助教授
Review Section/Research Field	Principal Investigator General mathematics (including Probability theory/Statistical mathematics) / Informatics / General mathematics (including Probability theory/Statistical mathematics) Except Principal Investigator Engineering fundamentals / Measurement engineering
Keywords	Principal Investigator NUMPAC / 数学ソフトウエア / 数学ソフトウェア / NetNUMPAC / client-server system / online manual / mathematical software / internet / クライアントサーバシステム / 科学計算パッケージ … More / オンラインマニュアル / インターネット / Numerical Integration / Interval Analysis / Error Analysis / Preprocessor / Mathematical Software / Automatic Differentiation / 区間解析 / 数値積分 / 区間演算 / 誤差解析 / プリプロセッサ / 数式微分 / graphics / 科学技術計算パッケージ / インタネット / ユーザインターフェイス / C++言語 / クライアント・サーバシステム / オンライン / Web / 8倍精度 / 数値計算 … More Except Principal Investigator Mathematical Notation Understanding / GPBi-CG method / Hilbert Transform / KP Equation / Delay-Differential Equations / Stochastic Differential Equations / Two-Step Runge-Kutta Methods / Simultaneous Method for Algebraic Equations / 大規模線型方程式 / 多重積分 / 非線型方程式 / 有理関数近似 / アダマ-ル変換 / 数値ヒルベルト変換 / 数学ソフトウェア / ユークリッドの互助法 / Collocation Runge-Kutta法 / Two-Step Runge-Kutta法 / 積型反復公式 / 優良格子点法 / 非優越解 / 非斉次2階差分方程式 / Givens回転 / 多項式剰余列 / 積型反復法 / 振動関数の無限区間積分 / 差分微分方程式の数値解法 / ROW型公式 / 確率微分方程式の数値解法 / 全根同時反復法 / 数式理解 / GPBi-CG法 / Hilbert 変換 / KP方程式 / 差分微分方程式 / 確率微分方程式 / 2ステップ Runge-Kutta法 / 同時反復解法 / 逆問題 / 正則化法 / 反復解法 / 大規模問題 / グラム・シュミット法 / 最小自乗問題 / 悪条件問題 / ブロック化アルゴリズム / QR分解 / 特異値分解 / 悪条件線形方程式 Less

Development of numerical methods for solving large-scale ill-conditioned linear system of equations and its applications
- Principal Investigator
  
  HOSODA Yohsuke
- Project Period (FY)
  2012 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Measurement engineering
- Research Institution
  University of Fukui
Construction of a system on the Web for octuple-precision computationPrincipal Investigator
- Principal Investigator
  
  HASEGAWA Takemitsu
- Project Period (FY)
  2009 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  University of Fukui
Constructing a Web-system for providing a mathematical software packagePrincipal Investigator
- Principal Investigator
  
  HASEGAWA Takemitsu
- Project Period (FY)
  2001 – 2002
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Fukui University
Developing a System on WWW for providing Mathematical Software PackagePrincipal Investigator
- Principal Investigator
  
  HASEGAWA Takemitsu
- Project Period (FY)
  1999 – 2000
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  Fukui University
Research and Development of User-Friendly Mathematical Software.
- Principal Investigator
  
  TORII Tatsuo
- Project Period (FY)
  1994 – 1996
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Engineering fundamentals
- Research Institution
  Nagoya University
Mathematical Software with High Accuracy Based on the Fast Automatic DifferentiationPrincipal Investigator
- Principal Investigator
  
  HASEGAWA Takemitsu
- Project Period (FY)
  1988 – 1989
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Informatics
- Research Institution
  Faculty of Engineering, Fukui University

All 2015 2012 2011 2010 2009 Other

All Journal Article Presentation

[Journal Article] A new QR factorization method by recursive blocked Gram-Schmidt algorithm and recursive blocked Cholesky factorization2015
- Author(s)
  Shinya Ozawa, Yohsuke Hosoda and Takemitsu Hasegawa
- Journal Title
  
  AIP Conference Proceedings
  
  Volume: 1648 Pages: 1-4
- DOI
  10.1063/1.4912918
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-24560518
[Journal Article] Online computing system for octuple-precision computation with Fortran2012
- Author(s)
  T. Hasegawa, Y. Hosoda
- Journal Title
  
  World Academy of Science and Engineering
  
  Volume: Vol.61 Pages: 1208-1212
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540123
[Journal Article] An online system for octuple-precision computation2011
- Author(s)
  T. Hasegawa、Y. Hosoda、K. Hirai
- Journal Title
  
  Proceedings of the IASTED International Conference on Parallel and Distributed Computing and Networks(PDCN2011)
  
  Pages: 70-74
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540123
[Journal Article] An online system for octuple-precision computation2011
- Author(s)
  T.Hasegawa, Y.Hosoda, K.Hirai
- Journal Title
  
  Proceedings of the IASTED International Conference on Parallel and Distributed Computing and Networks(PDCN2011)
  
  Pages: 70-74
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540123
[Journal Article] A system on the Web for octuple-precision computation2009
- Author(s)
  T. Hasegawa、Y. Hosoda、Y. Itaya
- Journal Title
  
  Proceedings of the 2009 IEEE International Conference on Systems, Man, and Cybernetics
  
  Pages: 4684-4688
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540123
[Presentation] Online computing system for octuple-precision computation with Fortran2012
- Author(s)
  T. Hasegawa, Y. Hosoda
- Organizer
  The VII International Conference on Computer and Applied Mathematics
- Place of Presentation
  ドバイ(アラブ首長国連邦)
- Year and Date
  2012-01-29
- Data Source
  KAKENHI-PROJECT-21540123
[Presentation] Online computing system for octuple-precision computation with Fortran2012
- Author(s)
  T. Hasegawa, Y. Hosoda
- Organizer
  The VIII International Conference on Computer Science and Applied Mathematics
- Place of Presentation
  Dubai (U.A.E.)
- Year and Date
  2012-01-29
- Data Source
  KAKENHI-PROJECT-21540123
[Presentation] An online system for octuple-precision computation2011
- Author(s)
  T. Hasegawa、Y. Hosoda、K. Hirai
- Organizer
  The Tenth IASTED international Conference on Parallel and Distributed Computing and Networks(PDCN2011)
- Place of Presentation
  インスブルック(オーストリア)
- Year and Date
  2011-02-17
- Data Source
  KAKENHI-PROJECT-21540123
[Presentation] Web上での8倍精度数値計算-Fortran言語対応-2011
- Author(s)
  長谷川武光、細田陽介、板谷雄一
- Organizer
  第40回数値解析シンポジウム
- Place of Presentation
  鳥羽市(三重県)
- Year and Date
  2011-06-21
- Data Source
  KAKENHI-PROJECT-21540123
[Presentation] An online system for octuple-precision computation2011
- Author(s)
  T.Hasegawa, Y.Hosoda, K.Hirai
- Organizer
  The Tenth IASTED International Conference on Parallel and Distributed Computing and Networks
- Place of Presentation
  Innsbruck, Austria
- Year and Date
  2011-02-17
- Data Source
  KAKENHI-PROJECT-21540123
[Presentation] 携帯から8倍精度数値計算システムを利用する環境の構築2010
- Author(s)
  平井洸太朗、長谷川武光、細田陽介
- Organizer
  日本応用数理学会
- Place of Presentation
  明治大学
- Year and Date
  2010-09-09
- Data Source
  KAKENHI-PROJECT-21540123
[Presentation] 携帯から8倍精度数値計算システムを利用する環境の構築2010
- Author(s)
  平井洸太朗、長谷川武光、細田陽介
- Organizer
  日本応用数理学会2010年度年会
- Place of Presentation
  明治大学(東京都)
- Year and Date
  2010-09-09
- Data Source
  KAKENHI-PROJECT-21540123
[Presentation] Web上での8倍精度数値計算システム2009
- Author(s)
  板谷雄一、長谷川武光、細田陽介
- Organizer
  日本応用数理学会2009年度年会
- Place of Presentation
  大阪大学(大阪府豊中市)
- Year and Date
  2009-09-29
- Data Source
  KAKENHI-PROJECT-21540123
[Presentation] Web上での8倍精度数値計算システム2009
- Author(s)
  板谷雄一, 長谷川武光, 細田陽介
- Organizer
  日本応用数理学会2009年度年会
- Place of Presentation
  大阪大学豊中
- Year and Date
  2009-09-29
- Data Source
  KAKENHI-PROJECT-21540123
[Presentation] A System on the Web for octuple-precision computation2009
- Author(s)
  T. Hasegawa、Y. Hosoda、Y. Itaya
- Organizer
  2009 IEEE International Conference on Systems, Man, and Cybernetics
- Place of Presentation
  サンアントニオ(アメリカ合衆国)
- Year and Date
  2009-10-14
- Data Source
  KAKENHI-PROJECT-21540123
[Presentation] A new QR factorization method by recursive blocked Gram-Schmidt algorithm and recursive blocked Cholesky factorization
- Author(s)
  Shinya Ozawa, Yohsuke Hosoda and Takemitsu Hasegawa
- Organizer
  12th International Conference of Numerical Analysis and Applied Mathematics
- Place of Presentation
  Rhodes, Greece
- Year and Date
  2014-09-22 – 2014-09-28
- Data Source
  KAKENHI-PROJECT-24560518

1. HOSODA Yohsuke (80264951)

# of Collaborated Projects: 3 results

# of Collaborated Products: 16 results
2. SATO Yosio (30126635)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
3. SUGIURA Hiroshi (60154465)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
4. TORII Tatsuo (10029069)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. MITSUI Taketomo (50027380)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. SAITO Satoshi (70252252)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. ZHANG Shao-Liang (20252273)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

HASEGAWA Takemitsu 長谷川 武光

Research Projects

Research Products

Co-Researchers

Development of numerical methods for solving large-scale ill-conditioned linear system of equations and its applications

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Construction of a system on the Web for octuple-precision computationPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Constructing a Web-system for providing a mathematical software packagePrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Developing a System on WWW for providing Mathematical Software PackagePrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Research and Development of User-Friendly Mathematical Software.

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Mathematical Software with High Accuracy Based on the Fast Automatic DifferentiationPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] A new QR factorization method by recursive blocked Gram-Schmidt algorithm and recursive blocked Cholesky factorization2015

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Online computing system for octuple-precision computation with Fortran2012

Author(s)

Journal Title

Data Source

[Journal Article] An online system for octuple-precision computation2011

Author(s)

Journal Title

Data Source

[Journal Article] An online system for octuple-precision computation2011

Author(s)

Journal Title

Data Source

[Journal Article] A system on the Web for octuple-precision computation2009

Author(s)

Journal Title

Data Source

[Presentation] Online computing system for octuple-precision computation with Fortran2012

Author(s)

Organizer

Place of Presentation

Year and Date

Data Source

[Presentation] Online computing system for octuple-precision computation with Fortran2012

Author(s)

Organizer

Place of Presentation

Year and Date

Data Source

[Presentation] An online system for octuple-precision computation2011

Author(s)

Organizer

Place of Presentation

Year and Date

Data Source

[Presentation] Web上での8倍精度数値計算-Fortran言語対応-2011

HASEGAWA Takemitsu 長谷川武光