semiseparable en · ADJ
Etymology
From semi- + separable.
Meanings
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(not-comparable) Partially separable
Both of these algorithms use hierarchically semiseparable (HSS) matrices to approximate some intermediate eigenvector matrices which are Cauchy-like matrices and are off-diagonally low-rank.
2015, Shengguo Li, Xiangke Liao, Jie Liu, Hao Jiang, “New fast divide-and-conquer algorithms for the symmetric tridiagonal eigenvalue problem”, in arXiv: