Search Results for author: Yuto Miyatake

Found 6 papers, 1 papers with code

Structure-Preserving Physics-Informed Neural Networks With Energy or Lyapunov Structure

no code implementations10 Jan 2024 Haoyu Chu, Yuto Miyatake, Wenjun Cui, Shikui Wei, Daisuke Furihata

Experimental results demonstrate that the proposed method improves the numerical accuracy of PINNs for partial differential equations.

A modified model for topic detection from a corpus and a new metric evaluating the understandability of topics

no code implementations8 Jun 2023 Tomoya Kitano, Yuto Miyatake, Daisuke Furihata

This paper presents a modified neural model for topic detection from a corpus and proposes a new metric to evaluate the detected topics.

Clustering

Lyapunov-Stable Deep Equilibrium Models

no code implementations25 Apr 2023 Haoyu Chu, Shikui Wei, Ting Liu, Yao Zhao, Yuto Miyatake

Deep equilibrium (DEQ) models have emerged as a promising class of implicit layer models, which abandon traditional depth by solving for the fixed points of a single nonlinear layer.

Adversarial Defense Adversarial Robustness

Composing a surrogate observation operator for sequential data assimilation

no code implementations29 Jan 2022 Kosuke Akita, Yuto Miyatake, Daisuke Furihata

In data assimilation, state estimation is not straightforward when the observation operator is unknown.

Symplectic Adjoint Method for Exact Gradient of Neural ODE with Minimal Memory

1 code implementation NeurIPS 2021 Takashi Matsubara, Yuto Miyatake, Takaharu Yaguchi

The symplectic adjoint method obtains the exact gradient (up to rounding error) with memory proportional to the number of uses plus the network size.

Numerical Integration

Algorithms for the computation of the matrix logarithm based on the double exponential formula

no code implementations23 Jan 2019 Fuminori Tatsuoka, Tomohiro Sogabe, Yuto Miyatake, Shao-Liang Zhang

In order to utilize the double exponential formula, we must determine a suitable finite integration interval, which provides the required accuracy and efficiency.

Numerical Analysis Numerical Analysis

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