T. Hasegawa

发表

An automatic integration of infinite range integrals involving Bessel functions

A. Sidi, F. Su, T. Hasegawa, 2001 .

Numerical Evaluation of Goursat ’ s Infinite Integral with an Unbounded Function

H. Sugiura, T. Hasegawa, Y. Hatano, 2009 .

An algorithm for nondominant solutions of linear second-order inhomogeneous difference equations

Tatsuo Torii, Takemitsu Hasegawa, T. Hasegawa, 1995 .

Positivity of the weights of extended Clenshaw-Curtis quadrature rules

T. Hasegawa, T. Torii, Hirosi Sugiura, 1993 .

Electron Correlations at Metallic Densities. IV

M. Shimizu, T. Hasegawa, 1980 .

Quadrature rule for indefinite integral of algebraic-logarithmic singular integrands

H. Sugiura, T. Hasegawa, 2007 .

Plasmon dispersion of electron gas in a magnetic field

T. Hasegawa, 1988 .

Error estimate for a corrected Clenshaw–Curtis quadrature rule

H. Sugiura, T. Hasegawa, 2014, Numerische Mathematik.

A truncated Clenshaw-Curtis formula approximates integrals over a semi-infinite interval

H. Sugiura, T. Hasegawa, 2020, Numerical Algorithms.

Numerical Integration of Nearly Singular Functions

T. Hasegawa, T. Torii, 1993 .

Electron Correlations at Metallic Densities, II. Quantum Mechanical Expression of Dielectric Function with Wigner Distribution Function

M. Shimizu, T. Hasegawa, 1975 .

Quadrature rule for Abel's equations : uniformly approximating fractional derivatives uniformly approximating fractional derivatives (High Performance Algorithms for Computational Science and Their Applications)

Takemitsu Hasegawa, Hiroshi Sugiura, H. Sugiura, 2008 .

Extensions of Clenshaw-Curtis-type rules to integrals over a semi-infinite interval

Takemitsu Hasegawa, Hiroshi Sugiura, H. Sugiura, 2021, Numerical Algorithms.

Uniform approximation to finite Hilbert transform of oscillatory functions and its algorithm

Hiroshi Sugiura, Takemitsu Hasegawa, H. Sugiura, 2019, J. Comput. Appl. Math..

Uniform approximation to Cauchy principal value integrals with logarithmic singularity

Hiroshi Sugiura, Takemitsu Hasegawa, H. Sugiura, 2018, J. Comput. Appl. Math..

A user-friendly method for computing indefinite integrals of oscillatory functions

Hiroshi Sugiura, Takemitsu Hasegawa, H. Sugiura, 2017, J. Comput. Appl. Math..

Error estimate for a corrected Clenshaw–Curtis quadrature rule

Hiroshi Sugiura, Takemitsu Hasegawa, H. Sugiura, 2015, Numerische Mathematik.

Algorithms for approximating finite Hilbert transform with end-point singularities and its derivatives

Hiroshi Sugiura, Takemitsu Hasegawa, H. Sugiura, 2011, J. Comput. Appl. Math..

An extended doubly-adaptive quadrature method based on the combination of the Ninomiya and the FLR schemes

Takemitsu Hasegawa, Yohsuke Hosoda, Susumu Hibino, 2007, Numerical Algorithms.

An automatic integration procedure for infinite range integrals involving oscillatory kernels

Avram Sidi, Takemitsu Hasegawa, A. Sidi, 1996, Numerical Algorithms.

Uniform approximations to finite Hilbert transform and its derivative

Takemitsu Hasegawa, T. Hasegawa, 2004 .

Numerical integration of functions with poles near the interval of integration

Takemitsu Hasegawa, T. Hasegawa, 1997 .

Applications of a modified FFT to product type integration

T. Hasegawa, T. Hasegawa, 1991 .

An automatic quadrature for Cauchy principal value integrals

Tatsuo Torii, Takemitsu Hasegawa, T. Hasegawa, 1991 .

An algorithm based on the FFT for a generalized Chebyshev interpolation

Tatsuo Torii, Takemitsu Hasegawa, Hiroshi Sugiura, 1990 .

Indefinite Integration of Function Involving Logarithmic Singularity by the Chebyshev Expansion

Tatsuo Torii, Takemitsu Hasegawa, T. Hasegawa, 1988 .

Indefinite integration of oscillatory functions by the Chebyshev series expansion

Tatsuo Torii, Takemitsu Hasegawa, T. Hasegawa, 1987 .

Uniform approximation to fractional derivatives of functions of algebraic singularity

Takemitsu Hasegawa, Hiroshi Sugiura, H. Sugiura, 2009 .

Error Analysis of Clenshaw's Algorithm for Evaluating Derivatives of a Polynomial

T. Hasegawa, 2001 .

A truncated Clenshaw-Curtis formula approximates integrals over a semi-infinite interval

Hiroshi Sugiura, Takemitsu Hasegawa, H. Sugiura, 2020, Numerical Algorithms.

Regions of convergence and dynamics of Schröder-like iteration formulae as applied to complex polynomial equations with multiple roots

Hiroshi Sugiura, Takemitsu Hasegawa, Tomohiro Suzuki, 2019, Numerical Algorithms.

On the global convergence of Schröder's iteration formula for real zeros of entire functions

Hiroshi Sugiura, Takemitsu Hasegawa, H. Sugiura, 2019, J. Comput. Appl. Math..

On the global convergence of Schröder's iterative formulae for real roots of algebraic equations

Hiroshi Sugiura, Takemitsu Hasegawa, H. Sugiura, 2018, J. Comput. Appl. Math..

Estimating convergence regions of Schröder’s iteration formula: how the Julia set shrinks to the Voronoi boundary

H. Sugiura, T. Hasegawa, Tomohiro Suzuki, 2018, Numerical Algorithms.

Hilbert and Hadamard transforms by generalized Chebyshev expansion

Tatsuo Torii, Takemitsu Hasegawa, T. Hasegawa, 1994 .

Estimating convergence regions of Schröder’s iteration formula: how the Julia set shrinks to the Voronoi boundary

Hiroshi Sugiura, Takemitsu Hasegawa, Tomohiro Suzuki, 2018, Numerical Algorithms.

Two formulae with nodes related to zeros of Bessel functions for semi-infinite integrals: extending Gauss–Jacobi-type rules

H. Sugiura, T. Hasegawa, 2023, Numerical Algorithms.

Electron Correlations at Metallic Densities. III. Generalized Spin Susceptibility and Spin Correlation

M. Shimizu, T. Hasegawa, 1975 .