How-To Guides

Practical guides for solving specific problems with NLSQ. Each guide focuses on a particular task and provides step-by-step instructions.

Getting Started

• Migration Guide
• How to Choose a Model Function

Working with Data

• YAML Configuration Structure
• Common Workflows
• Large Dataset Tutorial

Optimization

• Performance Optimization Guide
• Advanced Customization Guide
• How to Use Streaming Checkpoints

Troubleshooting

• How to Debug Bad Fits
• Troubleshooting Guide

Domain Applications

• Domain-Specific Applications

Quick Reference

Task	Guide
Migrate from SciPy or older NLSQ versions	Migration Guide
Choose the right model function	How to Choose a Model Function
Handle datasets > 100K points	Large Dataset Tutorial
Speed up fitting with GPU	Performance Optimization Guide
Fix convergence failures	How to Debug Bad Fits
Use YAML configuration	YAML Configuration Structure

See Also

• Tutorials - Step-by-step learning path

• Concepts & Explanations - Understand concepts in depth

• Reference - Complete API documentation