To check if a characteristic function is :ref:`monotone <definition_of_a_monotone_characteristic_function_game>` use coopgt.characteristic_function_properties.is ...

To check if a characteristic function is valid use coopgt.characteristic_function_properties.is_valid. For example to check if the following characteristic function which does not map all elements of ...

The soil-water characteristic curve (SWCC) and permeability function are critical parameters for understanding the hydraulic behavior of unsaturated soils and are increasingly relevant in evaluating ...