What is matrix algebra used for?
1 Answer
Two relatively simple examples of the use of matrix algebra are
Explanation:
I certainly remember being subjected to a year of matrix algebra (by a teacher with no math background) and having no indication that it was of anything but theoretical use, so I can empathize with this question.
I won't get into the details (unless asked separately) but here are 2 applications:
Cramer's Rule
Given a system of linear equations, the value of a variable can be determined by:
dividing the value of the variable replaced determinant by of the value of the coefficient determinant.
For example, given
Markov Chains
Given a square matrix
where the value of