%0 Journal Article %T Some results about the index of matrix and Drazin inverse %A M. Nikuie %A M.K. Mirnia %A Y. Mahmoudi %J Mathematical Sciences Quarterly Journal %D 2010 %I Springer %X In this paper , some results about the index of matrix and Drazininverse are given. We then explain applications of them in solvingsingular linear system of equations. %K Index %K Drazin inverse %K Singular linear system %K Jordan normal form. %U http://mathscience.kiau.ac.ir/Content/Vol4No3/4.pdf