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ORCIDEmiko Ishiwata
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2020 – today
- 2023
[j17]Itsuki Horiuchi, Kensuke Aihara
, Toshio Suzuki, Emiko Ishiwata:
Global GPBiCGstab(L) method for solving linear matrix equations. Numer. Algorithms 93(1): 295-319 (2023)
2010 – 2019
- 2019
- [c3]Hotaka Yagi, Emiko Ishiwata, Hidehiko Hasegawa:
Acceleration of Interactive Multiple Precision Arithmetic Toolbox MuPAT Using FMA, SIMD, and OpenMP. PARCO 2019: 431-440 - 2014
- [j16]Kensuke Aihara, Kuniyoshi Abe, Emiko Ishiwata:
A quasi-minimal residual variant of IDRstab using the residual smoothing technique. Appl. Math. Comput. 236: 67-77 (2014) - [j15]Kensuke Aihara, Kuniyoshi Abe, Emiko Ishiwata:
A variant of IDRstab with reliable update strategies for solving sparse linear systems. J. Comput. Appl. Math. 259: 244-258 (2014) - 2013
- [j14]Satoko Kikkawa, Tsubasa Saito, Emiko Ishiwata, Hidehiko Hasegawa:
Development and acceleration of multiple precision arithmetic toolbox MuPAT for Scilab. JSIAM Lett. 5: 9-12 (2013) - [c2]Tsubasa Saito, Satoko Kikkawa, Emiko Ishiwata, Hidehiko Hasegawa:
Effectiveness of Sparse Data Structure for Double-Double and Quad-Double Arithmetics. PPAM (1) 2013: 643-651 - 2012
- [j13]Tsubasa Saito, Emiko Ishiwata, Hidehiko Hasegawa:
Analysis of the GCR method with mixed precision arithmetic using QuPAT. J. Comput. Sci. 3(3): 87-91 (2012) - [j12]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) - 2011
- [j11]Masaki Sekiguchi, Emiko Ishiwata:
Dynamics of a discretized SIR epidemic model with pulse vaccination and time delay. J. Comput. Appl. Math. 236(6): 997-1008 (2011) - [j10]Kensuke Aihara, Kuniyoshi Abe, Emiko Ishiwata:
An alternative implementation of the IDRstab method saving vector updates. JSIAM Lett. 3: 69-72 (2011) - 2010
- [j9]Daisuke Aoto, Emiko Ishiwata, Kuniyoshi Abe:
A variable preconditioned GCR(m) method using the GSOR method for singular and rectangular linear systems. J. Comput. Appl. Math. 234(3): 703-712 (2010) - [j8]Kensuke Aihara, Emiko Ishiwata, Kuniyoshi Abe:
A strategy of reducing the inner iteration counts for the variable preconditioned GCR({$\vc{m}$}) method. JSIAM Lett. 2: 77-80 (2010) - [c1]Tsubasa Saito, Emiko Ishiwata, Hidehiko Hasegawa:
Development of Quadruple Precision Arithmetic Toolbox QuPAT on Scilab. ICCSA (2) 2010: 60-70
2000 – 2009
- 2009
- [j7]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) - 2008
- [j6]Emiko Ishiwata, Yoshiaki Muroya, Hermann Brunner:
A super-attainable order in collocation methods for differential equations with proportional delay. Appl. Math. Comput. 198(1): 227-236 (2008) - 2007
- [j5]Emiko Ishiwata, Yoshiaki Muroya:
Rational approximation method for delay differential equations with proportional delay. Appl. Math. Comput. 187(2): 741-747 (2007) - 2003
- [j4]Yoshiaki Muroya, Emiko Ishiwata:
Basic LUL Factorization and Improved Iterative Method with Orderings. Int. J. Comput. Math. 80(8): 1049-1072 (2003) - 2000
- [j3]Emiko Ishiwata:
On the Attainable Order of Collocation Methods for the Neutral Functional-Differential Equations with Proportional Delays. Computing 64(3): 207-222 (2000)
1990 – 1999
- 1998
- [j2]Emiko Ishiwata, Yoshiaki Muroya:
Main convergence theorems for the improved sor method with orderings. Int. J. Comput. Math. 66(1-2): 123-147 (1998) - [j1]Emiko Ishiwata, Yoshiaki Muroya, Masunori Harada, Hiroshi Niki:
New criteria for generalized diagonally dominant matrices. Int. J. Comput. Math. 69(3-4): 391-396 (1998)
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