Matrix Diagram

Photo by Surfstyle
Photo by Surfstyle

Photo by Surfstyle

Matrix diagrams show relationships between two concepts, issues or ideas (Ex. project objective, methods, results, causes, people, etc), help prioritize resources and processes, and organize data.

You would use the matrix diagram to discover the strength of relationships between a grid of rows and columns. A great example of this is the House of Quality in a Quality Functional Design (QFD).

Types of Matrix Diagrams


Use x and y axis.

T -Type

2 elements on the Y axis. One element on the x axis that splits the y.

X Type

2 elements on the Y, 2 elements on the X

Y Type

a 3-Dimensional grid where there are (2) L-Type matrices joined at the Y axis.

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