A sample DSM with 7 elements and 11 dependency marks. The design structure matrix (DSM; also referred to as dependency structure matrix, dependency structure method, dependency source matrix, problem solving matrix (PSM), incidence matrix, N2 matrix, interaction matrix, dependency map or design precedence matrix) is a simple, compact and visual representation of a system or project in the form of
![Design structure matrix - Wikipedia](https://cdn-ak-scissors.b.st-hatena.com/image/square/158bde1c3f634001d0c84437e152127b0e2f7170/height=288;version=1;width=512/https%3A%2F%2Fupload.wikimedia.org%2Fwikipedia%2Fcommons%2F3%2F36%2FA_sample_Design_Structure_Matrix_%2528DSM%2529.png)