Department of Applied Mathematics, University of Colorado, Boulder, CO, USA. Maribeth.Oscamou@colorado.edu|Department of Applied Mathematics, University of Colorado, Boulder, CO, USA. Maribeth.Oscamou@colorado.edu|Department of Applied Mathematics, University of Colorado, Boulder, CO, USA. Maribeth.Oscamou@colorado.edu|Department of Applied Mathematics, University of Colorado, Boulder, CO, USA. Maribeth.Oscamou@colorado.edu|Department of Applied Mathematics, University of Colorado, Boulder, CO, USA. Maribeth.Oscamou@colorado.edu|Department of Applied Mathematics, University of Colorado, Boulder, CO, USA. Maribeth.Oscamou@colorado.edu