In what ways are matrices used in the real world?

Question

In what ways are matrices used in the real world?

In: Mathematics

Answer 1

Another one: network analysis. If you have some kind of graph like this https://en.wikipedia.org/wiki/Seven_Bridges_of_K%C3%B6nigsberg

…you can write a connectivity matrix where element (ij) equals the number of paths from i to j. Once you have that, the square of the matrix shows you the places you can reach with two jumps, the cube shows you places you can reach with three jumps, and so on.