中文

线性常微分方程的渐近条件数:实数情形

数值分析 2026-05-18 v2 数值分析

摘要

论文\cite{M0}研究了复数线性常微分方程y(t)=Ay(t)y^\prime(t)=Ay(t)的长期解对初始值扰动的传播。通过相对误差衡量扰动,本文引入了特定初始值及其特定扰动方向下的方向性点态条件数,以及特定初始值下扰动方向最差情形下的点态条件数。确定了这两个条件数的渐近(长期)行为。本文深入分析实数线性常微分方程的此类渐近行为。

关键词

引用

@article{arxiv.2601.02079,
  title  = {Asymptotic condition numbers for linear ordinary differential equations: the generic real case},
  author = {Stefano Maset},
  journal= {arXiv preprint arXiv:2601.02079},
  year   = {2026}
}

备注

This manuscript is the second half of the first version of arXiv 2507.08762. It includes in Section 5.5 a numerical example from the first version of arXiv 2507.08752