- lap5pt: ipynb, py, html Python code for the 5-point Laplacian on a square
- lap5ptconv: ipynb, py, html Convergence study for the 5-point Laplacian
- sddemo1: py: Geometric demonstration of the problem with steepest descents
- iterative_demo1: ipynb, py, html Demonstration of the convergence of steepest descents and conjugate gradients
- bigmat.p: bigmat.p a large and somewhat nasty finite element matrix, previously computed, which is imported by iterative_demo1
- pcg_demo1: ipynb, py, html Demonstration
of the convergence of steepest descents, conjugate gradients, and preconditioned conjugate gradient
- gs5ptdemo: ipynb, py, html Graphical demonstration of convergence of Gauss-Seidel for the 5-point Laplacian
- mg5ptdemo: ipynb, py, html Graphical demonstration of convergence of multigrid for the 5-point Laplacian
- mg5ptdemo2: ipynb, py, html Compare errors in
multigrid and CG preconditioned by multigrid
- finite differences for advection: ipynb, py, html investigate stability
of explicit finite difference schemes for 1D advection
FEniCS
Updated February 2, 2015