摘要
Inthispaper,weareinterestedinHSSpreconditionersforsaddlepointlin-earsystemswithanonzero(2,2)-thblock.WestudyanapproximationofthespectraofHSSpreconditionedmatricesandusetheseresultstoillustrateandexplainthespectraobtainedfromnumericalexamples,wherethepreviousspectralanalysisofHSSprecon-ditionedmatricesdoesnotcover.
出版日期
2008年01月11日(中国期刊网平台首次上网日期,不代表论文的发表时间)