1. Unlike finite difference , there is no issue like stability of the scheme.
2. The Domain can be any shape but finite differences work in only
x or y - directions only. i.e. only on rectangular grids
3. They allow weak Solutions to the extent one seeks.
4. The stiff Matrix are good Band Matrix type, which allow faster inversions.
5. Global Error is minimum compared to Finite schemes.
6. Boundary conditions disappear after weak integration by-parts.
2. The Domain can be any shape but finite differences work in only
x or y - directions only. i.e. only on rectangular grids
3. They allow weak Solutions to the extent one seeks.
4. The stiff Matrix are good Band Matrix type, which allow faster inversions.
5. Global Error is minimum compared to Finite schemes.
6. Boundary conditions disappear after weak integration by-parts.
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