Can we use AlgebraicMultigrid.jl with a matrix-free operator? #113
Description
I would like to use the preconditioner in this package with solvers in Krylov.jl.
The operator that I would like to use only supports mul!(y, A, x).
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I would like to use the preconditioner in this package with solvers in Krylov.jl.
The operator that I would like to use only supports mul!(y, A, x).