Tomoaki Okayama

发表

On boundedness of the condition number of the coefficient matrices appearing in Sinc-Nyström methods for Fredholm integral equations of the second kind

Masaaki Sugihara, Takayasu Matsuo, Tomoaki Okayama, 2011, JSIAM Lett..

Sinc-collocation methods for weakly singular Fredholm integral equations of the second kind

Masaaki Sugihara, Takayasu Matsuo, Tomoaki Okayama, 2010, J. Comput. Appl. Math..

Explicit error bound for the tanh rule and the DE formula for integrals with logarithmic singularity

Tomoaki Okayama, 2014, JSIAM Lett..

Error estimate with explicit constants for the trapezoidal formula combined with Muhammad-Mori's SE transformation for the semi-infinite interval

Koichi Machida, Tomoaki Okayama, 2017, JSIAM Lett..

High-Precision Eigenvalue Bound for the Laplacian with Singularities

Xuefeng Liu, Shin'ichi Oishi, Tomoaki Okayama, 2012, ASCM.

Modified SE-Sinc approximation with boundary treatment over the semi-infinite interval and its error bound

Tomoaki Okayama, Ryota Hamada, 2019, JSIAM Lett..

New conformal map for the trapezoidal formula for infinite integrals of unilateral rapidly decreasing functions pdf

Tomoaki Okayama, Tomoki Nomura, Saki Tsuruta, 2020, J. Comput. Appl. Math..

Error estimates with explicit constants for Sinc approximation, Sinc quadrature and Sinc indefinite integration

Masaaki Sugihara, Takayasu Matsuo, Tomoaki Okayama, 2013, Numerische Mathematik.

An optimal approximation formula for functions with singularities

Ken'ichiro Tanaka, Masaaki Sugihara, Tomoaki Okayama, 2018, J. Approx. Theory.

Error estimates with explicit constants for the tanh rule and the DE formula for indefinite integrals

Masaaki Sugihara, Takayasu Matsuo, Tomoaki Okayama, 2010, JSIAM Lett..

Explicit Error Bound for Modified Numerical Iterated Integration by Means of Sinc Methods pdf

Tomoaki Okayama, 2015, MACIS.

Theoretical analysis of Sinc-Nyström methods for Volterra integral equations

Masaaki Sugihara, Takayasu Matsuo, Tomoaki Okayama, 2014, Math. Comput..

A note on the Sinc approximationwith boundary treatment

Tomoaki Okayama, 2013, JSIAM Lett..

Error estimates with explicit constants for the Sinc approximation over infinite intervals pdf

Tomoaki Okayama, 2018, Appl. Math. Comput..

MATHEMATICAL ENGINEERING TECHNICAL REPORTS Theoretical Analysis of Sinc-Nyström Methods for Volterra Integral Equations

Masaaki Sugihara, Takayasu Matsuo, Tomoaki Okayama, 2011 .

DE-Sinc methods have almost the same convergence property as SE-Sinc methods even for a family of functions fitting the SE-Sinc methods

Ken'ichiro Tanaka, Masaaki Sugihara, Takayasu Matsuo, 2013, Numerische Mathematik.

Error Estimates with Explicit Constants for Sinc Quadrature and Sinc Indefinite Integration over Infinite Intervals

Tomoaki Okayama, 2013, Reliab. Comput..

Theoretical analysis of a Sinc-Nyström method for Volterra integro-differential equations and its improvement

Tomoaki Okayama, Tomoaki Okayama, 2013, Appl. Math. Comput..

Verified Error Bounds for the Real Gamma Function Using Double Exponential Formula over Semi-infinite Interval

Shin'ichi Oishi, Naoya Yamanaka, Tomoaki Okayama, 2015, MACIS.

DE-Sinc methods have almost the same convergence property as SE-Sinc methods even for a family of functions fitting the SE-Sinc methods

Ken'ichiro Tanaka, Masaaki Sugihara, Takayasu Matsuo, 2013, Numerische Mathematik.

New conformal map for the Sinc approximation for exponentially decaying functions over the semi-infinite interval

Tomoaki Okayama, Yuya Shintaku, Eisuke Katsuura, 2020, J. Comput. Appl. Math..

Theoretical analysis of Sinc-collocation methods and Sinc-Nyström methods for initial value problems pdf

Tomoaki Okayama, Tomoaki Okayama, 2013, ArXiv.

New conformal map for the trapezoidal formula for infinite integrals of unilateral rapidly decreasing functions

Tomoaki Okayama, Tomoki Nomura, Saki Tsuruta, 2021, J. Comput. Appl. Math..

A modified Stenger's quadrature formula for infinite integrals of unilateral rapidly decreasing functions and its theoretical error bound

Tomoaki Okayama, Shu Hanada, 2021, Math. Comput. Simul..

Improvement of the conformal map combined with the Sinc approximation for unilateral rapidly decreasing functions

Tomoaki Okayama, Tomoya Shiraishi, 2021, JSIAM Letters.

Improvement of a Sinc-collocation method for Fredholm integral equations of the second kind

Masaaki Sugihara, Takayasu Matsuo, Tomoaki Okayama, 2011 .