ON THE CONSTRUCTION OF A JACOBI MATRIX FROM ITS DEFECTIVE EIGEN-PAIR AND A PRINCIPAL SUBMATRIX
由主子阵和缺损特征对构造Jacobi矩阵

This paper considers the problem of constructing a Jacobi matrix from its defec tive eigen-pair and a principal submatrix. Some necessary and sufficient conditions of solvability have been derived. An algorithm and two numerical examples have been given.