Fourth-order
WebMar 15, 2024 · Develop a fast and fourth order accurate finite difference method for solving 3D elliptic interface problems. • Handle Dirichlet, Neumann, Robin boundary conditions and any mix combination. • Corner points are rigorously treated in dealing with complex interfaces. • A fourth order of convergence is obtained in approximating solution and ... WebAug 27, 2024 · By "fourth order" I presume you mean rank 4, but that is with regard to the original vector space. A tensor is also a "Vector" in its own vector space as well as a linear operator in several settings but you seem to be implying a double contraction wherein you are mapping rank 2 tensors to rank 2 tensors.
Fourth-order
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