Tamio Koyama

According to our database, Tamio Koyama authored at least 6 papers between 2012 and 2018.

Collaborative distances:

• Dijkstra number of six.
• Erdős number of five.

2018

Numerical Calculation of the Fisher-Bingham Integral by the Holonomic Gradient Method.

Tamio Koyama

Proceedings of the 21st International Conference on Information Fusion, 2018

2016

Holonomic gradient method for distribution function of a weighted sum of noncentral chi-square random variables.

Tamio Koyama, Akimichi Takemura

Comput. Stat., 2016

Application of an integer-valued autoregressive model to hit phenomena.

Yasuko Kawahata, Tamio Koyama

Proceedings of the 2016 IEEE International Conference on Big Data (IEEE BigData 2016), 2016

2014

Holonomic gradient descent for the Fisher-Bingham distribution on the (d)-dimensional sphere.

Tamio Koyama, Hiromasa Nakayama, Kenta Nishiyama, Nobuki Takayama

Comput. Stat., 2014

Software Packages for Holonomic Gradient Method.

Tamio Koyama, Hiromasa Nakayama, Katsuyoshi Ohara, Tomonari Sei, Nobuki Takayama

Proceedings of the Mathematical Software - ICMS 2014, 2014

2012

Calculation of orthant probabilities by the holonomic gradient method

Tamio Koyama, Akimichi Takemura

CoRR, 2012