Week 1: Functions and Equations
Goals:
0 Review functions
0 Introduce modelling using linear and quadratic functions
0 Solving equations and systems
Suggested Textbook Readings: Chapter 2: §2.1 §2.2, and Chapter 3: §3.1-§3.6
Practice Problems:
o §2.1: 3,
Solutions to selected problems on HW 3.
Page 97, no. 5. Write
A1
A2
.
.
A=
An
where Ai Rn are the rows of A.
A1
A2
.
.
A =
.
An
Applying 5 of Theorem 4 in Lecture Note 3 successively to the n rows of A, we compute
A1
A1
A1
A2
A2
A2
Det(A) = Det . =