AM 341 / CM 271 / CS 371
Practice midterm solutions
Instructor: K. D. Papoulia
1. (a) Can the forward substitution algorithm applied to the L produced
by GEPP ever execute a divide-by-zero operation? Explain your
answer.
(b) Can the back substitution algo
AM 341 / CM 271 / CS 371
Midterm test
Winter 2010
Instructor: K. D. Papoulia
1. (a) Suppose A is an n n diagonal matrix with nonzero diagonal entries. Suppose it is factored P A = LU by Gaussian elimination with partial pivoting.
What will the factors P,
AM 341 / CM 271 / CS 371
Midterm test
Winter 2010
Instructor: K. D. Papoulia
1. (a) Suppose A is an n n diagonal matrix with nonzero diagonal entries. Suppose it is factored P A = LU by Gaussian elimination with partial pivoting.
What will the factors P,