Compute, by hand, the factorization PA = LU for the followingmatrices, (where L is a lower triangular matrix with entriesbetween -1 and 1). And use the factorization to solve the linearsystem of equation Ax = b.
Compute, by hand, the factorization PA = LU for the following matrices, (where L is a lower triangular matrix with entries between -1 and 1). And use the factorization to solve the linear system of equation Ax = b. A = [2 1 1 4 3 3 8 7 9], b = [2 4 10]
