SOLVED:An LDU factorization of a square matrix A is a factorization A=L D U, where L is a unit lower triangular matrix, D is a diagonal matrix, and U is a unit upper triangular matrix (upper triangular with 1s on its diagonal ). Find an L D U factorization of A. A in Exercise 4

a- (10 pts.) Find the LU factorization of the matrix A below using elementary matrices b- (10 pts.) Use A = LU to solve the system Ax = b when b is the column vector < p m a t r i x > ^T. A = < b m a t r i x >

Lecture 4: Factorization into A = LU | Linear Algebra | Mathematics | MIT OpenCourseWare