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NumDiff - Coggle Diagram
NumDiff
I/BVPs
Heat equation
x, t - grid
Forward Euler
Backward Euler
Crank-Nicolson
Periodic BCs
Von Neumann's stability criterion
BVPs
Boundary conditions
Dirichlet
Neumann
Naive method
2n order method
Fictitious node method
Consistency, convergence and stability
Self-adjoint problems
Semi-discretization
Matrices
Diagonally dominant
Weakly chained diagonally dominant (WCDD)
Strict
Invbertibility
Tridiagonal
Grid function
Cubes
Interpolant
Discrete difference approximations
Order
Norms
Subordinate matrix norms
Discrete maximum principle