Takemitsu Hasegawa

25 papers B 2C 1Journal 22

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	On two Gauss-Radau quadrature formulae and their weighted averaged-rule: Is Gauss-Legendre always better than Radau? Numer. Algorithms Hiroshi Sugiura, Takemitsu Hasegawa
2025	J	`jnl`	Error bounds for Gauss-Lobatto quadrature of analytic functions on an ellipse. J. Comput. Appl. Math. Hiroshi Sugiura, Takemitsu Hasegawa
2024	J	`jnl`	An automatic quadrature method for semi-infinite integrals of exponentially decaying functions and its Matlab code. J. Comput. Appl. Math. Takemitsu Hasegawa, Hiroshi Sugiura
2024	J	`jnl`	Error bounds for Gauss-Jacobi quadrature of analytic functions on an ellipse. Math. Comput. Hiroshi Sugiura, Takemitsu Hasegawa
2023	J	`jnl`	Two formulae with nodes related to zeros of Bessel functions for semi-infinite integrals: extending Gauss-Jacobi-type rules. Numer. Algorithms Hiroshi Sugiura, Takemitsu Hasegawa
2022	J	`jnl`	Extensions of Clenshaw-Curtis-type rules to integrals over a semi-infinite interval. Numer. Algorithms Hiroshi Sugiura, Takemitsu Hasegawa
2021	J	`jnl`	A truncated Clenshaw-Curtis formula approximates integrals over a semi-infinite interval. Numer. Algorithms Hiroshi Sugiura, Takemitsu Hasegawa
2020	J	`jnl`	Regions of convergence and dynamics of Schröder-like iteration formulae as applied to complex polynomial equations with multiple roots. Numer. Algorithms Tomohiro Suzuki, Hiroshi Sugiura, Takemitsu Hasegawa
2019	J	`jnl`	Estimating convergence regions of Schröder's iteration formula: how the Julia set shrinks to the Voronoi boundary. Numer. Algorithms Tomohiro Suzuki, Hiroshi Sugiura, Takemitsu Hasegawa
2019	J	`jnl`	On the global convergence of Schröder's iteration formula for real zeros of entire functions. J. Comput. Appl. Math. Hiroshi Sugiura, Takemitsu Hasegawa
2019	J	`jnl`	Uniform approximation to finite Hilbert transform of oscillatory functions and its algorithm. J. Comput. Appl. Math. Takemitsu Hasegawa, Hiroshi Sugiura
2018	J	`jnl`	On the global convergence of Schröder's iterative formulae for real roots of algebraic equations. J. Comput. Appl. Math. Hiroshi Sugiura, Takemitsu Hasegawa
2018	J	`jnl`	Uniform approximation to Cauchy principal value integrals with logarithmic singularity. J. Comput. Appl. Math. Takemitsu Hasegawa, Hiroshi Sugiura
2017	J	`jnl`	A user-friendly method for computing indefinite integrals of oscillatory functions. J. Comput. Appl. Math. Takemitsu Hasegawa, Hiroshi Sugiura
2015	J	`jnl`	Error estimate for a corrected Clenshaw-Curtis quadrature rule. Numerische Mathematik Takemitsu Hasegawa, Hiroshi Sugiura
2012	C	`conf`	A User-Friendly Computation System on the Web with Octuple-precision. SNPD Yohsuke Hosoda, Takemitsu Hasegawa
2011	J	`jnl`	A polynomial interpolation process at quasi-Chebyshev nodes with the FFT. Math. Comput. Hiroshi Sugiura, Takemitsu Hasegawa
2011	J	`jnl`	Algorithms for approximating finite Hilbert transform with end-point singularities and its derivatives. J. Comput. Appl. Math. Takemitsu Hasegawa, Hiroshi Sugiura
2011	J	`jnl`	An approximation method for high-order fractional derivatives of algebraically singular functions. Comput. Math. Appl. Takemitsu Hasegawa, Hiroshi Sugiura
2009	B	`conf`	A system on the Web for octuple-precision computation. SMC Takemitsu Hasegawa, Yohsuke Hosoda, Yuuichi Itaya, Ichizo Ninomiya
2009	B	`conf`	A web system for the 3D display of bivariate mathematical functions. SMC Yohsuke Hosoda, Takemitsu Hasegawa
2009	J	`jnl`	Numerical evaluation of Goursat's infinite integral. Numer. Algorithms Yasuyo Hatano, Ichizo Ninomiya, Hiroshi Sugiura, Takemitsu Hasegawa
2007	J	`jnl`	An extended doubly-adaptive quadrature method based on the combination of the Ninomiya and the FLR schemes. Numer. Algorithms Takemitsu Hasegawa, Susumu Hibino, Yohsuke Hosoda, Ichizo Ninomiya
2001	J	`jnl`	Statistical filter for multiple test noise on fMRI. Syst. Comput. Jpn. Takahiro Takada, Takemitsu Hasegawa, Hisakazu Ogura, Masato Tanaka, Hiroki Yamada, Hiroyuki Komuro, Yasushi Ishii
1996	J	`jnl`	An automatic integration procedure for infinite range integrals involving oscillatory kernels. Numer. Algorithms Takemitsu Hasegawa, Avram Sidi