Add an implementation of BLOCK-MINRES #884
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@dpo T = Float64
A = rand(T, 25, 25)
A = A + A'
B = rand(T, 25, 5)
X, stats = block_minres(A, B, verbose=1)
norm(B - A * X)julia> X, stats = block_minres(A, B, verbose=1)
BLOCK-MINRES: system of size 25 with 5 right-hand sides
k ‖Rₖ‖ timer
0 6.9e+00 0.00s
1 2.8e+00 0.00s
2 2.1e+00 0.00s
3 1.6e+00 0.00s
4 1.1e+00 0.00s
5 1.9e-09 0.00s
julia> norm(B - A * X)
1.858704723858523e-9 |
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