Polarith AI
1.8
Represents the multicriteria optimization (MCO) problem solved by the AI system (implementation as base class).
This is done by an ISolver<T>, e.g. an ConstraintSolver<T>.
A Problem<T> can be seen as matrix, whereby a row represents an objective and a column represents associated values for each objective. So it is ensured that each objective has got the same number of values. Every Problem<T> stores the information whether it is to be minimized or maximized so that an ISolver<T> implementation is able to distinguish between those two operations.
| T | Type of the objective values defining the objective space. |
Properties | |
| int | ObjectiveCount [get] |
| The number of objectives (read only). More... | |
| int | ValueCount [get] |
| The number of values per objective (read only). More... | |
| ReadOnlyCollection< T > | this[int index] [get] |
| Provides quick read-only access to an objective (problem matrix row). More... | |
Public Methods | |
| ReadOnlyCollection< T > | AddObjective (bool minimized) |
| Adds an objective (one row to the problem matrix). More... | |
| void | AddValues (T value) |
| Adds a value to every objective (one column to the problem matrix). More... | |
| void | AddValues (T[] values) |
| Adds a value to every objective (one column to the problem matrix). More... | |
| ReadOnlyCollection< T > | GetObjective (int index) |
| Gets the objective (problem matrix row) belonging to the specified index . More... | |
| T | GetValue (int objectiveIndex, int valueIndex) |
| Gets a value (single element of the problem matrix). More... | |
| bool | IsObjectiveMinimized (int index) |
| Determines if an objective is considered to be minimized or maximized. More... | |
| void | SetObjectiveMinimized (int index, bool minimized) |
| Specifies if an objective is considered to be minimized or maximized. More... | |
| void | SetValue (int objectiveIndex, int valueIndex, T value) |
| Sets a value (single element of the problem matrix). More... | |
| void | ResetValues () |
| Resets all objective values to the default of T . More... | |
| void | ResetValues (T value) |
| Resets all objective values to the given value of T . More... | |
| void | RemoveObjectiveAt (int index) |
| Removes the objective (problem matrix row) at the specified index . More... | |
| void | RemoveValuesAt (int index) |
| Removes the objective values (problem matrix column) at the specified index . More... | |
| void | ResizeObjectives (int valueCount) |
| Changes the number of values (column length) for each objective to the specified valueCount . More... | |
| void | ClearObjectives () |
| Removes all objectives including all values. More... | |
| void | ClearValues () |
| Removes all values but preserves the number of objectives. More... | |