LetA=M-NbearegularsplittingofanM-matrix.WestudythespectralpropertiesoftheinerationmatrixM-1N.UnderamildassumptiononM-1N.somenecessaryandsufficentconditionssuchthatp(M-1N)=1areobtainedandthealgebraicmultiplicityandtheindexassociatedwitheigenvalue1inM-1Nareconsidered.
高等学校计算数学学报：英文版
1995年1期
