Abstract：This paper deals with the reconstruction of periodic symmetric tridiagonal matrices and symmetric tridiagonal matrices from eigen-pairs of the matrix Tn and its sub-matrix T \k .The necessary and sufficient conditions for the existence and uniqueness of t
丁荣华; 黄贤通. 周期三对角阵的特征反问题[J]. 南昌大学学报（理科版）, 1998, 22(03): 1-.
Ding Ronghua(Department of Mathematics and Systems Science,Nanchang University,Nanchang,330047)Huang Xintong(Southern Institute of Metallurgy,341000). . , 1998, 22(03): 1-.
1998, Vol. 22 