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# -*- org -*-
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#+CATEGORY: eigen
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* Merge improvements from SVD qrstep to eigen - these should be
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combined somehow as we only need one version of them.
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* dlae2.f has better handling of 2x2 eigenvalues than our qrstep.c
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* Document Jacobi eigen function, in particular that it only works for
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symmetric matrices.
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* add support for nonsymmv left eigenvectors?:
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gsl_eigen_nonsymmv_params(const int lr)
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to specify whether we should compute left/right eigenvectors (or both).
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If they want both, we'll need a new function:
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gsl_eigen_nonsymmv_lr(..., evec_r, evec_l, ...)
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and
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gsl_eigen_nonsymmv_lr_Z(...)
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