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JuliaLinearAlgebra / AlgebraicMultigrid.jl

Algebraic Multigrid in Julia
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Instability of approximate spectral radius calculation #23

Open ranjanan opened 6 years ago

ranjanan commented 6 years ago

Makes smoothed aggregation unstable when using diagonal weighting on the Jacobi prolongation

ranjanan commented 6 years ago

Therefore I'm currently using local weighting as the default, which works well enough