Search Results for author: Zhiqiang Cai

Found 11 papers, 1 papers with code

A Structure-Guided Gauss-Newton Method for Shallow ReLU Neural Network

no code implementations7 Apr 2024 Zhiqiang Cai, Tong Ding, Min Liu, Xinyu Liu, Jianlin Xia

In this paper, we propose a structure-guided Gauss-Newton (SgGN) method for solving least squares problems using a shallow ReLU neural network.

Qubit-Wise Architecture Search Method for Variational Quantum Circuits

no code implementations7 Mar 2024 Jialin Chen, Zhiqiang Cai, Ke Xu, Di wu, Wei Cao

Considering the noise level limit, one crucial aspect for quantum machine learning is to design a high-performing variational quantum circuit architecture with small number of quantum gates.

Evolutionary Algorithms Neural Architecture Search +1

Residual-Quantile Adjustment for Adaptive Training of Physics-informed Neural Network

no code implementations9 Sep 2022 Jiayue Han, Zhiqiang Cai, Zhiyou Wu, Xiang Zhou

Thus, we propose the Residual-Quantile Adjustment (RQA) method for a better weight choice for each training sample.

Learn Quasi-stationary Distributions of Finite State Markov Chain

no code implementations19 Nov 2021 Zhiqiang Cai, Ling Lin, Xiang Zhou

We propose a reinforcement learning (RL) approach to compute the expression of quasi-stationary distribution.

reinforcement-learning Reinforcement Learning (RL)

Least-Squares Neural Network (LSNN) Method For Scalar Nonlinear Hyperbolic Conservation Laws: Discrete Divergence Operator

no code implementations21 Oct 2021 Zhiqiang Cai, Jingshuang Chen, Min Liu

A least-squares neural network (LSNN) method was introduced for solving scalar linear and nonlinear hyperbolic conservation laws (HCLs) in [7, 6].

Numerical Integration

RitzNet: A Deep Neural Network Method for Linear Stress Problems

no code implementations29 Sep 2021 Min Liu, Zhiqiang Cai, Karthik Ramani

This paper presents RitzNet, an unsupervised learning method which takes any point in the computation domain as input, and learns a neural network model to output its corresponding function value satisfying the underlying governing PDEs.

Self-adaptive deep neural network: Numerical approximation to functions and PDEs

no code implementations7 Sep 2021 Zhiqiang Cai, Jingshuang Chen, Min Liu

Designing an optimal deep neural network for a given task is important and challenging in many machine learning applications.

Least-Squares ReLU Neural Network (LSNN) Method For Linear Advection-Reaction Equation

no code implementations25 May 2021 Zhiqiang Cai, Jingshuang Chen, Min Liu

This paper studies least-squares ReLU neural network method for solving the linear advection-reaction problem with discontinuous solution.

Least-Squares ReLU Neural Network (LSNN) Method For Scalar Nonlinear Hyperbolic Conservation Law

no code implementations25 May 2021 Zhiqiang Cai, Jingshuang Chen, Min Liu

We introduced the least-squares ReLU neural network (LSNN) method for solving the linear advection-reaction problem with discontinuous solution and showed that the method outperforms mesh-based numerical methods in terms of the number of degrees of freedom.

Numerical Integration

Deep least-squares methods: an unsupervised learning-based numerical method for solving elliptic PDEs

1 code implementation5 Nov 2019 Zhiqiang Cai, Jingshuang Chen, Min Liu, Xinyu Liu

This paper studies an unsupervised deep learning-based numerical approach for solving partial differential equations (PDEs).

An Empirical Study on Academic Commentary and Its Implications on Reading and Writing

no code implementations12 Feb 2016 Tai Wang, Xiangen Hu, Keith Shubeck, Zhiqiang Cai, Jie Tang

The relationship between reading and writing (RRW) is one of the major themes in learning science.

Cannot find the paper you are looking for? You can Submit a new open access paper.