搜索结果: 1-7 共查到“知识库 偏微分方程”相关记录7条 . 查询时间(2.24 秒)
非线性轴向运动梁的边界稳定性判据
非线性 轴向运动梁 边界稳定性 判据
2023/1/4
This paper deals with, in the framework of absolute stability, boundary stabilization for a nonlinear axially moving beam under boundary velocity feedback controls. The nonlinear boundary control that...
具有完全未知的外系统的热方程的输出跟踪
完全未知 外系统 热方程 输出跟踪
2023/1/4
In this paper, we consider output regulation for a 1-d heat equation where the disturbances generated from an unknown finite-dimensional exosystem enter all possible channels. We adopt adaptive observ...
可压缩欧拉方程大初值球对称具有正远场密度整体解的存在性
可压缩 欧拉方程 大初值球对称 正远场密度整体解
2023/1/4
We are concerned with the global existence theory for spherically symmetric solutions of the multidimensional compressible Euler equations with large initial data of positive far-field density so that...
研究时滞线性耦合不连续神经网络的同步控制问题。运用李雅普诺夫稳定性理论和微分方程比较定理，提出一种基于间歇性和滞后效应策略的控制器，获得时滞线性耦合不连续神经网络的同步准则。最后进行数值模拟，从而验证所得理论结果的有效性。
提出一种求解Riesz空间分布阶的分数阶扩散方程的数值方法。利用辛普森数值求积公式，将分布阶微分方程离散为一个多项分数阶导数的微分方程；利用四阶差分格式求解此具有多项分数阶导数的微分方程，并运用能量法分析数值格式的稳定性和收敛性。同时，给出数值例子，说明所建立的数值离散格式的有效性。
Nonlinear equations for fractional Laplacians I: Regularity, maximum principles, and Hamiltonian estimates
Nonlinear equations for fractional Laplacians I Regularity maximum principles Hamiltonian estimates
2011/1/18
This is the first of two articles dealing with the equation (−)sv = f(v) in Rn, with s ∈ (0, 1), where (−)s stands for the fractional Laplacian —the infinitesimal generator of a L´...
Asymptotic stability of small solitary waves for nonlinear Schrödinger equations with electromagnetic potential in $ \mathbb{R}^3$
Asymptotic stability of small solitary waves nonlinear Schrö dinger equations electromagnetic potential $ \mathbb{R}^3$
2011/1/17
We consider the nonlinear magnetic Schr¨odinger equation for u : R3 × R → C,iut = (i∇ + A)2u + V u + g(u), u(x, 0) = u0(x),where A : R3 → R3 is the magnetic potential, V : R3 → R is the electric...