简介:Inthispaper,theconceptofthes-doublydiagonallydominantmatricesisintroducedandthepropertiesofthesematricesarediscussed.Withthepropertiesofthes-doublydiagonallydominantmatricesandthepropertiesofcomparisonmatrices,someequivalentconditionsforH-matricesarepresented.TheseconditionsgeneralizeandimproveexistingresultsabouttheequivalentconditionsforH-matrices.Applicationsandexamplesusingthesenewequivalentconditionsarealsopresented,andanewinclusionregionofk-multipleeigenvaluesofmatricesisobtained.
简介:本文研究了对角占化矩阵的奇异性.得到了此类矩阵非奇异的一个筒单判断法.改进了已有结论。
简介:本文给出了广义严格对角占优矩阵的的判定条件,尤其是对已有的限定变量进行改进,从而使得一系列充分条件更具有价值和使用性.
简介:AhighlyefficienttotalsynthesisofS-(+)-tylophorinehasbeenaccomplishedinfullyasymmetricfashion.