@第{zbMATH07301583条，作者={Hallman，Eric}，标题={LSQR}和共轭梯度法}的{Sharp 2-范数误差界，FJournal={SIAM矩阵分析与应用杂志}，期刊={SIAM J.矩阵分析应用}，ISSN＝{0895-4798}，体积={41}，数字＝｛3｝，页码={1183--1207}，年份={2020}，语言={英语}，DOI={10.1137/19M1272822}，关键词={65F10,65F20,65F50}，zbMATH={7301583}，Zbl={1461.65037}}