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ad_solver CG: unreachable default tolerance burns the full iteration budget silently

Status: Open.

#34 In HighDimensionalEconLab/nlls_gram;

· jlperla opened on Sep 1, 2026

Consider a simpler square nonlinear-system API with root-safe implicit AD

Status: Open.

#31 In HighDimensionalEconLab/nlls_gram;

· jlperla opened on Jul 31, 2026

Design: Krylov-subspace recycling for the CG paths under the carried-instance architecture

Status: Open.

#29 In HighDimensionalEconLab/nlls_gram;

· jlperla opened on Jul 25, 2026

Exploration of custom rules for both directions with HiJAX

Status: Open.

#27 In HighDimensionalEconLab/nlls_gram;

· jlperla opened on Jul 21, 2026

Status-gate implicit derivatives for nonconverged SquareLM roots

Status: Open.

#17 In HighDimensionalEconLab/nlls_gram;

· jlperla opened on Jul 10, 2026

First-class Nystrom sketch refresh during LM solves (docs example + API support)

Status: Open.

#16 In HighDimensionalEconLab/nlls_gram;

· jlperla opened on Jul 10, 2026

Design notes: open theory questions and deferred ideas from the quasiseparable-metrics design review

Status: Open.

#10 In HighDimensionalEconLab/nlls_gram;

· jlperla opened on Jul 9, 2026

metric_from_banded_precision: consume-only constructor for spline/difference penalties and GMRFs

Status: Open.

#9 In HighDimensionalEconLab/nlls_gram;

· jlperla opened on Jul 9, 2026

Celerite SHO / oscillatory kernel builders for metric_from_state_space

Status: Open.

#8 In HighDimensionalEconLab/nlls_gram;

· jlperla opened on Jul 9, 2026

Parallel (matrix-Möbius / parallel-Kalman) Cholesky setup for quasiseparable metrics

Status: Open.

#7 In HighDimensionalEconLab/nlls_gram;

· jlperla opened on Jul 9, 2026

Gain-ratio adaptive damping (Madsen-Nielsen-Tingleff) as a future consideration

enhancementNew feature or requestNew feature or request

Status: Open.

#1 In HighDimensionalEconLab/nlls_gram;

· jlperla opened on Jul 9, 2026