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ORCIDYoshimasa Nakamura
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2020 – today
- 2024
[j17]Miho Chiyonobu
, Takahiro Miyamae, Masami Takata, Jun Harayama, Kinji Kimura, Yoshimasa Nakamura:
Singular value decomposition for complex matrices using two-sided Jacobi method. J. Supercomput. 80(8): 11719-11740 (2024)- [i4]Koji Takeda, Kanji Tanaka, Yoshimasa Nakamura, Asako Kanezaki:
Zero-shot Degree of Ill-posedness Estimation for Active Small Object Change Detection. CoRR abs/2405.06185 (2024) - 2023
- [c21]Koji Takeda, Kanji Tanaka, Yoshimasa Nakamura:
Lifelong Change Detection: Continuous Domain Adaptation for Small Object Change Detection in Everyday Robot Navigation. MVA 2023: 1-5 - [i3]Koji Takeda, Kanji Tanaka, Yoshimasa Nakamura:
Lifelong Change Detection: Continuous Domain Adaptation for Small Object Change Detection in Every Robot Navigation. CoRR abs/2306.16086 (2023) - 2022
- [c20]Koji Takeda, Kanji Tanaka, Yoshimasa Nakamura:
Domain Invariant Siamese Attention Mask for Small Object Change Detection via Everyday Indoor Robot Navigation. IROS 2022: 739-745 - [i2]Koji Takeda, Kanji Tanaka, Yoshimasa Nakamura:
Domain Invariant Siamese Attention Mask for Small Object Change Detection via Everyday Indoor Robot Navigation. CoRR abs/2203.15362 (2022) - 2020
- [j16]Kaoru Sawa, Yoshimasa Nakamura:
Extension of the Lanczos-Phillips algorithm with Laurent biorthogonal polynomials and its application to the Thron continued fractions. JSIAM Lett. 12: 1-4 (2020)
2010 – 2019
- 2019
- [c19]Akinori Sasaki, Yoshimasa Nakamura, Masao Matsumoto:
Localization Failure Detection for Autonomous Mobile Robots in Crowded Environment Based on Observation Likelihood Maps Precomputed in Simulations. IECON 2019: 6896-6901 - 2018
- [j15]Kaoru Sawa, Yoshimasa Nakamura:
Application of the Lanczos-Phillips algorithm to continued fractions and its extension with orthogonal polynomials. JSIAM Lett. 10: 57-60 (2018) - 2017
- [j14]Kanae Akaiwa, Yoshimasa Nakamura, Masashi Iwasaki, Akira Yoshida, Koichi Kondo:
An arbitrary band structure construction of totally nonnegative matrices with prescribed eigenvalues. Numer. Algorithms 75(4): 1079-1101 (2017) - 2016
- [j13]Munehiro Nagata, Masatsugu Hada, Masashi Iwasaki, Yoshimasa Nakamura:
Eigenvalue clustering of coefficient matrices in the iterative stride reductions for linear systems. Comput. Math. Appl. 71(1): 349-355 (2016) - 2015
- [j12]Sho Araki, Kinji Kimura, Yusaku Yamamoto, Yoshimasa Nakamura:
Implementation details of an extended oqds algorithm for singular values. JSIAM Lett. 7: 9-12 (2015) - [j11]Kanae Akaiwa, Yoshimasa Nakamura, Masashi Iwasaki, Hisayoshi Tsutsumi, Koichi Kondo:
A finite-step construction of totally nonnegative matrices with specified eigenvalues. Numer. Algorithms 70(3): 469-484 (2015) - [c18]Hiroyuki Ishigami, Kinji Kimura, Yoshimasa Nakamura:
A New Parallel Symmetric Tridiagonal Eigensolver Based on Bisection and Inverse Iteration Algorithms for Shared-Memory Multi-core Processors. 3PGCIC 2015: 216-223 - 2014
- [c17]Hiroyuki Ishigami, Kinji Kimura, Yoshimasa Nakamura:
GPU Implementation of Inverse Iteration Algorithm for Computing Eigenvectors. PDP 2014: 664-671 - 2013
- [j10]Takumi Yamashita, Kinji Kimura, Masami Takata, Yoshimasa Nakamura:
An application of the Kato-Temple inequality on matrix eigenvalues to the dqds algorithm for singular values. JSIAM Lett. 5: 21-24 (2013) - 2012
- [j9]Akiko Fukuda, Yusaku Yamamoto, Masashi Iwasaki, Emiko Ishiwata, Yoshimasa Nakamura:
Error analysis for matrix eigenvalue algorithm based on the discrete hungry Toda equation. Numer. Algorithms 61(2): 243-260 (2012) - [j8]Munehiro Nagata, Masashi Iwasaki, Yoshimasa Nakamura:
Error analysis of the mdLVs algorithm for computing bidiagonal singular values. Numer. Algorithms 61(2): 261-274 (2012) - [c16]Hiroki Toyokawa, Hiroyuki Ishigami, Kinji Kimura, Masami Takata, Yoshimasa Nakamura:
Accelerating the Reorthogonalization of Singular Vectors with a Multi-core Processor. VECPAR 2012: 379-390 - [i1]Hiroyuki Ishigami, Kinji Kimura, Yoshimasa Nakamura:
On Implementation and Evaluation of Inverse Iteration Algorithm with compact WY Orthogonalization. CoRR abs/1209.1910 (2012) - 2010
- [j7]Tan Wang, Masashi Iwasaki, Yoshimasa Nakamura:
On condition numbers in the cyclic reduction processes of a tridiagonal matrix. Int. J. Comput. Math. 87(13): 3079-3093 (2010) - [j6]Yoshimasa Nakamura, Shouyang Wang, Xun Zhang:
Special Issue for some new progress made by AMSS and Kyoto University on mathematical methods for informatics, engineering and management. J. Syst. Sci. Complex. 23(1): 1-2 (2010) - [c15]Masami Takata, Kinji Kimura, Yoshimasa Nakamura:
Generating Algorithms for Matrices with Large Condition Number to Evaluate Singular Value Decomposition. PDPTA 2010: 619-625
2000 – 2009
- 2009
- [j5]Akiko Fukuda, Emiko Ishiwata, Masashi Iwasaki, Yoshimasa Nakamura:
On the qd-type discrete hungry Lotka-Volterra system and its application to the matrix eigenvalue algorithm. JSIAM Lett. 1: 36-39 (2009) - [j4]Hiroki Toyokawa, Kinji Kimura, Masami Takata, Yoshimasa Nakamura:
On parallelism of the I-SVD algorithm with a multi-core processor. JSIAM Lett. 1: 48-51 (2009) - [j3]Taro Konda, Yoshimasa Nakamura:
A new algorithm for singular value decomposition and its parallelization. Parallel Comput. 35(6): 331-344 (2009) - [c14]Kenichi Yadani, Kinji Kimura, Yoshimasa Nakamura:
Numerical Algorithms for Solving the Optimal PWM Problem on Multiple-Precision Arithmetic with Theory of Orthogonal Polynomials. PDPTA 2009: 697-703 - [c13]Masami Takata, Kinji Kimura, Yoshimasa Nakamura:
Speed-Up in mdLVs by Limitation in Computational Number of Shift. PDPTA 2009: 704-710 - [c12]Hiroki Toyokawa, Kinji Kimura, Masami Takata, Yoshimasa Nakamura:
On Parallelization of the I-SVD Algorithm and its Evaluation for Clustered Singular Values. PDPTA 2009: 711-717 - 2008
- [c11]Taro Konda, Hiroki Toyokawa, Yoshimasa Nakamura:
Evaluations of Parallel Double Divide and Conquer on a 16?core Computer. PDPTA 2008: 790-796 - 2007
- [c10]Yusaku Yamamoto, Takeshi Fukaya, Takashi Uneyama, Masami Takata, Kinji Kimura, Masashi Iwasaki, Yoshimasa Nakamura:
Accelerating the Singular Value Decomposition of Rectangular Matrices with the CSX600 and the Integrable SVD. PaCT 2007: 340-345 - [c9]Taro Konda, Hiroaki Tsuboi, Masami Takata, Masashi Iwasaki, Yoshimasa Nakamura:
Parallelism of double divide and conquer algorithm for singular value decomposition. Parallel and Distributed Computing and Networks 2007: 367-372 - [c8]Masami Takata, Kinji Kimura, Masashi Iwasaki, Yoshimasa Nakamura:
Algorithms for Generating Bidiagonal Test Matrices. PDPTA 2007: 732-738 - 2006
- [c7]Taro Konda, Masami Takata, Masashi Iwasaki, Yoshimasa Nakamura:
A newsingular value decomposition algorithmsuited to parallelization and preliminary results. ACST 2006: 79-84 - [c6]Masami Takata, Kinji Kimura, Masashi Iwasaki, Yoshimasa Nakamura:
Performance of a New Scheme for Bidiagonal Singular Value Decomposition of Large Scale. Parallel and Distributed Computing and Networks 2006: 304-309 - [c5]Hiroaki Tsuboi, Taro Konda, Masami Takata, Kinji Kimura, Masashi Iwasaki, Yoshimasa Nakamura:
Evaluation of a New Eigen Decomposition Algorithm for Symmetric Tridiagonal Matrices. PDPTA 2006: 832-838 - [c4]Masami Takata, Taro Konda, Kinji Kimura, Yoshimasa Nakamura:
Verification of dLVv Transformation for Singular Vector Computation with High Accuracy. PDPTA 2006: 881-887 - [c3]Taro Konda, Hiroaki Tsuboi, Masami Takata, Masashi Iwasaki, Yoshimasa Nakamura:
Preliminary Result of Parallel Double Divide and Conquer. PDPTA 2006: 888-894 - 2005
- [c2]Masami Takata, Masashi Iwasaki, Kinji Kimura, Yoshimasa Nakamura:
An Evaluation of Singular Value Computation by the Discrete Lotka-Volterra System. PDPTA 2005: 410-416 - 2004
- [c1]Masami Takata, Tomomi Yamaguchi, Chiemi Watanabe, Yoshimasa Nakamura, Kazuki Joe:
A Multi-Objective Genetic Algorithm for Program Partitioning and Data Distribution Using TVRG. PDPTA 2004: 345-350 - 2001
- [j2]Yukitaka Minesaki, Yoshimasa Nakamura:
The Discrete Relativistic Toda Molecule Equation and a Padé Approximation Algorithm. Numer. Algorithms 27(3): 219-235 (2001)
1990 – 1999
- 1998
- [j1]Yoshimasa Nakamura:
Calculating Laplace Transforms in Terms of the Toda Molecule. SIAM J. Sci. Comput. 20(1): 306-317 (1998)
Coauthor Index
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