核心概念
Introducing Hutchinson Trace Estimation (HTE) to address challenges in solving high-dimensional and high-order PDEs efficiently.
要約
PINNs are effective for low-dimensional PDEs but face challenges in high-dimensional and high-order cases.
HTE method transforms Hessian matrix calculations into HVP, reducing memory consumption and accelerating computation.
Applications of HTE to second-order parabolic and biharmonic equations showcase its effectiveness.
HTE's variance compared to SDGD and its applicability to various neural PDE solvers are discussed.
HTE is beneficial for high-dimensional and high-order PDEs, covering a wide range of real-world applications.
統計
PINNs는 저차원 PDE에 효과적이지만 고차원 및 고차수 경우에 도전을 겪음.
HTE 방법은 헤시안 행렬 계산을 HVP로 변환하여 메모리 소비를 줄이고 계산을 가속화함.
引用
"HTE method transforms Hessian matrix calculations into HVP, reducing memory consumption and accelerating computation."
"Applications of HTE to second-order parabolic and biharmonic equations showcase its effectiveness."