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  • Kutalmış Berçin's avatar
    ENH: improve analytical eigendecompositions · 55e7da67
    Kutalmış Berçin authored and Andrew Heather's avatar Andrew Heather committed
      - `tensor` and `tensor2D` returns complex eigenvalues/vectors
      - `symmTensor` and `symmTensor2D` returns real eigenvalues/vectors
      - adds new test routines for eigendecompositions
      - improves numerical stability by:
        - using new robust algorithms,
        - reordering the conditional branches in root-type selection