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System-defined Matrix

The system‑defined matrices (MATRIX) are created automatically when a model is created. Each matrix has a class (OBJECT_CLASS) on the X axis and a class (OBJECT_CLASS) on the Y axis. These classes are system‑defined classes. There is an association (MATRIX_USAGE_X) between each object (X) on the X axis and the matrix. There is also an association between each object (Y) on the Y axis and the matrix. A cell value (CELL_VALUE) can exist between each object on the X axis and each object on the Y axis.

Replace X and Y with the name of the Public Interface table that contains the objects on the X and Y axes.

For relationships between Planning objects within system‑defined matrices, see the following illustration:

Relationships between planning objects