| create.FEM.basis | Create a FEM basis |
| create.MESH.2D | Create a triangular mesh |
| eval.FEM | Evaluate a FEM object at a set of point locations |
| FEM | Define a surface or spatial field by a Finite Element basis expansion |
| image.FEM | Image Plot of a FEM object |
| mesh.2D.rectangular | Simple Rectangular mesh |
| mesh.2D.simple | Simple mesh |
| MeuseBorder | Boundary of the Meuse River data set |
| MeuseData | Meuse river data set |
| plot.FEM | Plot a 'FEM' object |
| plot.MESH2D | Plot a MESH2D object |
| refine.MESH.2D | Refine a triangular mesh |
| R_elementProperties | Compute some properties for each triangular element of the mesh |
| R_eval.FEM | Evaluate a FEM object at a set of locations |
| R_eval.FEM.basis | Evaluate Finite Element bases and their Derivatives at a set of locations |
| R_mass | Compute the mass matrix |
| R_smooth.FEM.basis | Spatial regression with differential regularization (fully implemented in R code) |
| R_stiff | Compute the stiffness matrix |
| smooth.FEM.basis | Spatial regression with differential regularization: stationary and isotropic case (Laplacian) |
| smooth.FEM.PDE.basis | Spatial regression with differential regularization: anysotropic case (elliptic PDE) |
| smooth.FEM.PDE.sv.basis | Spatial regression with differential regularization: anysotropic and non-stationary case (elliptic PDE with space-varying coefficients) |