Tag: optimization

2 articles

Fix: Optuna Not Working — Trial Pruned, Storage Errors, and Search Space Problems

Apr 9, 2026

How to fix Optuna errors — TrialPruned stops too early, RDB storage locked or not saving, suggest methods raise ValueError, parallel study workers deadlock, integration callbacks not reporting, and best trial not reproducible.

python optuna hyperparameter-tuning machine-learning optimization debugging

Fix: SciPy Not Working — Sparse Matrix Errors, Optimization Convergence, and Import Issues

Apr 9, 2026

How to fix SciPy errors — ImportError cannot import name, sparse matrix deprecation warning, optimize.minimize did not converge, integrate.quad divergence, interpolate extrapolation, scipy.stats API changes, and Fortran compiler missing.

python scipy numpy scientific-computing optimization debugging