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Relationship Matrix
The Relationship Matrix is a valuable tool for visualizing the connections between the elements in any two Packages, in an interface resembling a spreadsheet with rows and columns. The tool is particularly useful when used with Requirements, and allows an engineer to see how Requirements are related to other elements, including other Requirements.

The Relationship Matrix can be opened from the ribbon option 'Design > Package > Package/Matrix'. Select whether the current Package is the source Package, target Package, or both.
Where a relationship exists, an arrow icon is displayed in the cell at the intersection of the source and target elements, with the arrowhead showing the direction of the relationship. The matrix can also be configured to highlight the rows or columns that do not have any relationships, in a separate color. This and other options can be configured on the Options window, (click on the
in the Relationship Matrix header).
These options allow you to tailor the way that the matrix is displayed, including whether elements are sorted or their names prefixed with the Package name, and whether source and target element rows and columns without connections are highlighted. For more information see the Relationship Matrix Help topic.