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most citedFourth-order compact finite difference schemes for solving biharmonic equations with Dirichlet boundary conditions

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math.NA2026

A Matrix-free Augmented High Order Compact Solver for Variable-Coefficient Biharmonic Problems

Jin Li, Kejia Pan, Xu Qian +1

We propose an augmented high-order compact finite difference method for biharmonic equations with clamped boundary conditions and variable coefficients. Standard mixed-type formula…