PaperOn functions which preserve the class of Stieltjes matricesCharles A. Micchelli, R. WilloughbyLinear Algebra and Its Applications
PaperAn algorithm for minimizing a differentiable function subject to box constraints and errorsR. Brayton, J. CullumJournal of Optimization Theory and Applications
Conference paperLANCZOS PROCEDURE FOR THE MODAL ANALYSIS OF VERY LARGE NONSYMMETRIC MATRICES.J. Cullum, R. WilloughbyCDC 1983
PaperPseudospectra analysis, nonlinear eigenvalue problems, and studying linear systems with delaysJ. Cullum, A.E. RuehliBIT Numerical Mathematics
