Computing the eigenvalues and eigenvectors of a general matrix by reduction to general tridiagonal form
Jack J. Dongarra, George A. Geist, Charles H. Romine · 1990
This paper describes programs to reduce a nonsymmetric matrix to tridiagonal form, compute the eigenvalues of the tridiagonal matrix, improve the accuracy of an eigenvalue, and compute the corresponding eigenvector. 8 refs., 3 tabs.