Following are the 2009 technical reports from the numerical computing group at the University of Iowa, principally from the Dept of Mathematics. These reports are available from our departmental anonymous ftp site. Click here to access that site.
174 [.ps.gz, .pdf]. L.O. Jay. Preconditioning of implicit Runge-Kutta methods. February 2009.
175 [.ps.gz, .pdf]. L.O. Jay. Lagrange-d'Alembert SPARK integrators for nonholonomic Lagrangian systems. March 2009.
176 [arXiv:0907.1270v1 [math.NA]]. K. Atkinson, D. Chien, and O. Hansen. A spectral method for elliptic equations: the Neumann problem. July 2009.
177 [arXiv:0909.3607v1 [math.NA]]. K. Atkinson and O. Hansen. A spectral method for the eigenvalue elliptic equations. September 2009.