Prof. Rich Kozick
ELEC 320, Fall 1997

Homework 7

Date Assigned: Friday, September 12, 1997
Date Due: Monday, September 15, 1997

  1. Please do problems 1.27 and 1.28 (parts c, f, g, and h) in the Kamen/Heck text.

  2. Please review Section 1 of the MATLAB Tutorial that accompanies the Kamen/Heck text.

  3. Please study the discrete-time system example of a bank loan described on pages 31-34 of the text. Run the MATLAB program listed in Figure 1.29 of the text, which is available at the URL

    To run the program on the Sun computers, save the program with filename fig1_29.m in your account. Then start MATLAB by typing matlab at the UNIX prompt. When MATLAB is running, the prompt is >> . To run the bank loan program, type fig1_29 at the MATLAB prompt. This will execute each statement in the file fig1_29.m. Please study the MATLAB program, and try to understand the syntax and what each statement does. MATLAB is also available on the PCs and MACs in Dana. A similar procedure can be used to run the program on those platforms.

    Use the MATLAB program fig1_29.m to answer the following question. How many months would be required to repay a car loan of $15,000 with an annual interest rate of 8% when the monthly payment is $300?

  4. Please read Chapter 2, Sections 2.1, 2.2, and 2.3.

  5. Please study Problem 2 on Quiz 1. You do not have to sumbit any written solutions, but ask questions in class on Monday. The quiz solutions are posted outside my office.

Thank you and have a good weekend.