pyepo.model.copt.knapsack
=========================

.. py:module:: pyepo.model.copt.knapsack

.. autoapi-nested-parse::

   Knapsack problem



Classes
-------

.. autoapisummary::

   pyepo.model.copt.knapsack.knapsackModel
   pyepo.model.copt.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.copt.coptmodel.optCoptModel`


   COPT-backed knapsack.

   :ivar _model: COPT model
   :vartype _model: COPT 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 COPT knapsack.


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

      A forbidden method to relax MIP model