Morikuni Keiichi

Researcher's full information

Articles
  • Verified partial eigenvalue computations for Hermitian generalized eigenproblems using contour integrals
    Imakura A.; Morikuni K.; Takayasu A.
    arXiv:1904.06277 [math.NA]/pp.1-13, 2019-04
  • Inner-iteration preconditioning with symmetric splitting matrices for symmetric singular linear systems
    Morikuni K. (保國 惠一)
    Transactions of the Japan Society for Industrial and Applied Mathematics/29(1)/pp.62-77, 2019-03
  • 一般化エルミート固有値問題の周回積分型精度保証付き部分固有値計算
    今倉 暁; 保國 惠一; 高安 亮紀
    日本応用数理学会2018年度年会 予稿集/pp.189-190, 2018-09
  • Spectral feature scaling method for supervised dimensionality reduction
    Matsuda M.; Morikuni K.; Sakurai T.
    Proceedings of the Twenty-Seventh International Joint Conference on Artificial Intelligence (IJCAI-18), Main track/pp.2560-2566, 2018-07
  • Iterative Methods and Preconditioners for Linear Systems with Singularity
    保國 惠一 (Morikuni K.)
    Bulletin of the Japan Society for Industrial and Applied Mathematics/28(2)/pp.11-18, 2018-06
  • On GMRES for singular EP and GP systems
    Morikuni K.; Rozložník M.
    SIAM Journal on Matrix Analysis and Applications/39(2)/pp.1033-1048, 2018-06
  • 多クラス分類問題に対する スペクトラル特徴量スケーリング
    松田 萌望 (Matsuda M.); 保國 惠一 (Morikuni K.); 櫻井 鉄也 (Sakurai T.)
    Book of Abstracts, 47th Numerical Analysis Symposium (NAS2018)/pp.31-34, 2018-06
  • Verified Partial Eigenvalue Computation for Generalized Hermitian Eigenproblems Using Contour Integrals
    今倉 暁 (Imakura A.); 保國 惠一 (Morikuni K.); 高安 亮紀 (Takayasu A.)
    Book of Abstracts, 47th Numerical Analysis Symposium (NAS2018)/pp.1-4, 2018-06
  • Spectral feature scaling method for supervised dimensionality reduction
    Matsuda M.; Morikuni K.; Sakurai T.
    arXiv:1805.07006 [stat.ML]/pp.1-11, 2018-05
  • On GMRES for singular EP and GP systems
    Morikuni K.; Rozložník M.
    arXiv: 1705.03153 [math.NA]/pp.1-16, 2017-12
  • Inner-Iteration Preconditioning for Singular Linear Systems
    保國 惠一 (Morikuni K.)
    RIMS Kokyuroku, Numerical Analysis: New Developments for Elucidating Interdisciplinary Problems II, 2017-07
  • Verified computation of partial eigenvalues of a real symmetric matrix using contour integration
    Imakura A. (今倉 暁); Morikuni K. (保國 惠一); Takayasu A. (高安 亮紀)
    Book of Abstracts, 46th Numerical Analysis Symposium (NAS2017)/pp.115-118, 2017-06
  • Supervised spectral clustering using feature scaling
    Matsuda M. (松田 萌望); Morikuni K. (保國 惠一); Sakura T. (櫻井 鉄也)
    Book of Abstracts, 46th Numerical Analysis Symposium (NAS2017)/pp.51-54, 2017-06
  • Inner-iteration preconditioning for singular linear systems
    Morikuni K.
    Program and Abstracts, Householder Symposium XX on Numerical Linear Algebra/pp.230-232, 2017-06
  • GMRES method for singular linear systems
    Morikuni K. (保國 惠一)
    Book of Abstracts, 46th Numerical Analysis Symposium (NAS2017)/pp.17-20, 2017-06
  • Multistep matrix splitting iteration preconditioning for singular linear systems
    Morikuni K.
    Numerical Algorithms/75(2:::SI)/pp.457-475, 2017-05
  • On GMRES for singular EP and GP systems
    Morikuni K.; Rozložník M.
    arXiv/1705.03153 [math.NA]/pp.1-15, 2017-05
  • On GMRES for singular EP and GP systems
    Morikuni K.; Rozložník M.
    Preprint, Institute of Mathematics, The Czech Academy of Sciences/Preprint No. 23-2017/pp.1-15, 2017-05
  • Multistep matrix splitting iteration preconditioning for singular linear systems
    Morikuni K.
    arXiv:1705.03153 [math.NA], 2017-04
  • Inner-iteration preconditioning for singular linear systems
    Morikuni Keiichi
    arXiv:1504.01713v2 [math.NA], 2016-06
  • Rayleigh-Ritz-type contour integral-based eigensolvers for eigenvalue problems of rectangular matrix pencils
    Morikuni K. (保國 惠一)
    Book of Abstracts, 45th Numerical Analysis Symposium (NAS2016)/pp.1-4, 2016-06
  • Implementation of Interior-point Methods for LP based on Krylov Subspace Iterative Solvers with Inner-iteration Preconditioning
    Cui Y.; Morikuni K.; Tsuchiya T.; Hayami K.
    NII Technical Report, National Institute of Informatics/NII-2016-003E/pp.1-28, 2016-05
  • Implementation of Interior-point Methods for LP based on Krylov Subspace Iterative Solvers with Inner-iteration Preconditioning
    Cui Y.; Morikuni K.; Tsuchiya T.; Hayami K.
    arXiv:1604.07491 [math.OC]/pp.1-27, 2016-04
  • Application of inner-iteration preconditioning to general least squares problems
    Morikuni K. (保國 惠一)
    Organized Session of Young Researchers Group, Proceedings of the 2015 JSIAM Annual Meeting, 2015-09
  • Inner-iteration preconditioning for singular linear systems
    Morikuni K. (保國 惠一)
    Book of Abstracts, 44th Numerical Analysis Symposium/pp.57-60, 2015-06
  • more...