Ryan Malloy bca8b3e7eb Add covariance output and condition number to OD solver (v0.5.0)
Computes formal covariance (H^T·H)^{-1} via LAPACK dpotrf_/dpotri_
after DC convergence. Returns upper-triangle array (21 elements for
6-state, 28 for 7-state with B*), condition number from SVD, and
nstate count. Covariance is computed even for perfect-seed fits.

Bumps extension to v0.5.0 with full install SQL and migration path.
2026-02-17 16:15:44 -07:00

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- Gauss method for angles-only initial orbit determination
(eliminates seed requirement for sensors without ranging)
- Weighted observations (per-obs covariance weighting for
heterogeneous sensor fusion)
- Range rate fitting in topocentric mode (currently reserved
via vel_ecef in residual computation)