The procedure Combination of matrices and vectors provides you with various options of calculating a single or multiple matrices simultaneously. As operators, you may select matrices, network attributes, attributes of origin/destination zones and constants.
In more complex applications, you can select matrices via properties and thus also include indirect attributes, such as attributes of demand strata or person groups in your calculation.
In the Matrix editor, click the Combination of matrices and vectors symbol 
for access to functions for calculating an opened matrix (User Manual: Combining matrices and attribute vectors in the Matrix editor window).
