Tamio Koyama

Publication Activity (10 Years)

Years Active: 2012-2018
Publications (10 Years): 3

Top Topics

Gradient Method

Distribution Function

Software Package

Top Venues

Publications

Tamio Koyama
Numerical Calculation of the Fisher-Bingham Integral by the Holonomic Gradient Method. FUSION (2018)
Tamio Koyama, Akimichi Takemura
Holonomic gradient method for distribution function of a weighted sum of noncentral chi-square random variables. Comput. Stat. 31 (4) (2016)
Yasuko Kawahata, Tamio Koyama
Application of an integer-valued autoregressive model to hit phenomena. IEEE BigData (2016)
Tamio Koyama, Hiromasa Nakayama, Kenta Nishiyama, Nobuki Takayama
Holonomic gradient descent for the Fisher-Bingham distribution on the (d)-dimensional sphere. Comput. Stat. 29 (3) (2014)
Tamio Koyama, Hiromasa Nakayama, Katsuyoshi Ohara, Tomonari Sei, Nobuki Takayama
Software Packages for Holonomic Gradient Method. ICMS (2014)
Tamio Koyama, Akimichi Takemura
Calculation of orthant probabilities by the holonomic gradient method CoRR (2012)