====== IAM 961 HW #3 ===== 

**Problem 1.** Trefethen & Bau exercise 15.1

**Problem 2.** Show that matrix-vector multiplication $y_i = \sum_{j=1}^n A_{ij} x_j$
is backward stable when computed with floating-point operations that satisfy the 
fundamental axioms of floating-point arithmetic.

**Problem 3.** Trefethen & Bau exercise 16.1


Due Monday 11/04 in lecture.