pyepo.model.grb.knapsack
========================

.. py:module:: pyepo.model.grb.knapsack

.. autoapi-nested-parse::

   Knapsack problem



Classes
-------

.. autoapisummary::

   pyepo.model.grb.knapsack.knapsackModel
   pyepo.model.grb.knapsack.knapsackModelRel


Module Contents
---------------

.. py:class:: knapsackModel(weights: numpy.ndarray | list, capacity: numpy.ndarray | list, *args, **kwargs)

   Bases: :py:obj:`pyepo.model.bases.knapsackBase`, :py:obj:`pyepo.model.grb.grbmodel.optGrbModel`


   Gurobi-backed knapsack.

   :ivar _model: Gurobi model
   :vartype _model: GurobiPy model
   :ivar weights: Weights of items
   :vartype weights: np.ndarray
   :ivar capacity: Total capacity
   :vartype capacity: np.ndarray
   :ivar items: List of item index

   :vartype items: list


   .. py:method:: relax() -> knapsackModelRel

      A method to get linear relaxation model



.. py:class:: knapsackModelRel(weights: numpy.ndarray | list, capacity: numpy.ndarray | list, *args, **kwargs)

   Bases: :py:obj:`knapsackModel`


   LP relaxation of the Gurobi knapsack.


   .. py:method:: relax() -> knapsackModelRel

      A forbidden method to relax MIP model