Step 4: Large-Scale Multi-Period
=================================

This step scales up to multi-period planning with setup costs and inventory.

Overview
--------

Learn how to handle large-scale problems with 1,600+ variables.

For detailed documentation, see the README in the tutorial directory.

Key Topics
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- Multi-period variables (Product × Period)
- Setup costs and batch constraints
- Inventory balance equations
- Large-scale problem handling
- HTML report generation

Quick Start
-----------

.. code-block:: bash

   cd tutorials/production_planning/step4_scaled_up
   python sample_data.py
   python production_scaled.py

See Also
--------

- :doc:`step3_goals` - Previous step
- :doc:`step5_scenario` - Next step: Scenario analysis
- :doc:`index` - Production planning tutorial overview