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math.NA2022★ 1 cited
Evolving Generalizable Multigrid-Based Helmholtz Preconditioners with Grammar-Guided Genetic Programming
Jonas Schmitt, Harald Köstler
Solving the indefinite Helmholtz equation is not only crucial for the understanding of many physical phenomena but also represents an outstandingly-difficult benchmark problem for…
math.NA2019★ 5 cited
Optimizing Geometric Multigrid Methods with Evolutionary Computation
Jonas Schmitt, Sebastian Kuckuk, Harald Köstler
For many linear and nonlinear systems that arise from the discretization of partial differential equations the construction of an efficient multigrid solver is a challenging task.…