Packed-vector positions of the strictly-lower off-diagonal elements — the complement of choleskyDiagIndices within range(k), preserving row-major order. Empty for ndim === 1. Mirrors luxar.gsplats.utils.trils.offdiag_indices (Python).
range(k)
ndim === 1
luxar.gsplats.utils.trils.offdiag_indices
Number of dimensions (d)
Off-diagonal positions, e.g. d=3 → [1, 3, 4]
Packed-vector positions of the strictly-lower off-diagonal elements — the complement of choleskyDiagIndices within
range(k), preserving row-major order. Empty forndim === 1. Mirrorsluxar.gsplats.utils.trils.offdiag_indices(Python).