Hi,
I'm finalizing unit tests for the conjugate gradient method, for which I'm
using Hilbert matrices (see http://en.wikipedia.org/wiki/Hilbert_matrix).
These matrices are nice because
i. they are symmetric, positive definite,
ii. they are illconditioned,
iii. their inverse is known in closedform.
I therefore implemented HilbertMatrix and InverseHilbertMatrix as
RealLinearOperator. These two classes are intended for testing purposes only,
but I do not want to embed them in ConjugateGradientTest, as they might be
used to test other iterative solvers as well. My question is simple: where
(meaning: which package) should these two classes go? Would o.a.c.math.linear
(in the src/test/java directory) be suitable? Any better suggestion?
Thanks beforehand,
Sebastien

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