Analytical Foundations of Electrical and Computer Engineering
ECE 220

Spring 2014
ECE 220
Problem Lab #2
Solutions
Getting Practice with MATLAB
Signals, writing simple functions, complex numbers
Date: Week of February 3rd, 2014
The goal of this lab is to write simple MATLAB scripts
Analytical Foundations of Electrical and Computer Engineering
ECE 220

Spring 2014
ECE 220
Problem Lab #1
Solutions
Getting Practice with MATLAB
Signals, Operations on Signals
Date: Week of January 27, 2014
The goal of this lab is to write simple MATLAB scripts to display basic sign
Analytical Foundations of Electrical and Computer Engineering
ECE 220

Fall 2012
ECE 220
Problem Lab #1 Solutions
1
The concept of Time Scaling
1. Go to the TIME SCALE subdirectory (in the problem labs directory
in the course locker). Copy the two les in that directory into your
w
Analytical Foundations of Electrical and Computer Engineering
ECE 220

Fall 2014
ECE 220
Problem Lab #2
Solutions
Getting Practice with MATLAB
Signals, writing simple functions, complex numbers
Date: Week of September 15, 2015
The goal of this lab is to write simple MATLAB scripts
Analytical Foundations of Electrical and Computer Engineering
ECE 220

Spring 2009
i
ECE220 Homework Assignment #2 Solutions
Problem 3.18. For safety reasons, electrical devices limit the output voltage vout (t) to a maximum allowed value A, regardless of the value of the input vo
Analytical Foundations of Electrical and Computer Engineering
ECE 220

Spring 2014
ECE 220 Spring 2007
Problem Lab #08 Solutions
* Note, all figures are at the end of the document.
I. Laplace transforms, use of MATLAB laplace() function
Read the help file for the MATLAB function lap
Analytical Foundations of Electrical and Computer Engineering
ECE 220

Spring 2014
ECE220
Problem Lab #1 Solutions
Date: 28, 30 August 2006
The goals of this lab are to: (a) make sure you are up to speed with the required/assumed
math background, (b) get some working experience with
Analytical Foundations of Electrical and Computer Engineering
ECE 220

Spring 2014
ECE 220
Exam #1
Summer 2007
Section 051
(a?
Student Name:
\IZAST NAME
(PRINT)
FIRST NAME
(PRINT)
(SIGNATURE)
By signing I am stating that I have taken this exam in accordance
with the NCSU honor
Analytical Foundations of Electrical and Computer Engineering
ECE 220

Spring 2014
ECE220
Problem Lab #2 Solution
Vectors, Matrices, and Linear Equations
Date: Week of January 29, 2007
The main goal of this lab is to give you practice on vectors, matrices and linear
equations. You w
Analytical Foundations of Electrical and Computer Engineering
ECE 220

Spring 2014
ECE220 Problem Lab Test Solution
Date: 8 November 2006
I. Complex numbers and functions (25 points)
1. Let z = 2.75e j / 9 and w = 1.23 j 3.62 . Use Matlab to compute
e j 9002.5
4.01z + w
z2
in both C
Analytical Foundations of Electrical and Computer Engineering
ECE 220

Spring 2014
ECE220, Problem Lab Test
Spring 2007
Instructions: You have one hour and 40 minutes to complete the test. You cannot use books,
notes or calculators. Do not talk to anyone else during the test. If you
Analytical Foundations of Electrical and Computer Engineering
ECE 220

Spring 2014
ECE220
Problem Lab #5
Using MATLAB as a tool in
First Order Differential Equations
Date: Week of February 26, 2007
The goal of this lab is to summarize and reinforce all the methods we presented in ch
Analytical Foundations of Electrical and Computer Engineering
ECE 220

Spring 2014
ECE220
Problem Lab #1
Getting practice with MATLAB,
periodic signals and mathematical background skills
Date: Week of January 22, 2007
The goals of this lab are to: (a) make sure you are up to speed w
Analytical Foundations of Electrical and Computer Engineering
ECE 220

Spring 2014
North Carolina State University
Department of Electrical and Computer Engineering
ECE 220.002 Analytical Foundations of ECE Syllabus
Spring 2017
Day
M
Date
1/9
W
M
W
M
W
Th
M
W
Th
M
W
Th
M
W
Th
M
W
Th
Analytical Foundations of Electrical and Computer Engineering
ECE 220

Spring 2014
ECE 220
Problem Lab #6
Numerical Solutions of Differential Equations
Date: Week of March 27, 2017
The goal of this lab is to summarize and reinforce the two methods presented in Chapter 7 about
solvin
Analytical Foundations of Electrical and Computer Engineering
ECE 220

Spring 2014
FirstName LastName
1. Plotting
Problem Lab 1
9/7/2016
of periodic signals
Q1:
f1 = 1; % frequency 1
f2 = 2; % frequency 2
f = gcd(f1,f2); % fundamental frequency
T = 1/f; % fundamental period
tstep =
Analytical Foundations of Electrical and Computer Engineering
ECE 220

Spring 2014
FirstName LastName
ECE 220  Problem Lab 6
1. Complementary and Particular Solutions:
% Euler's method
% DE of the form:
% vodot + a*v = A*sin(w0*t + theta)
% solve for a total solution using Euler's
Analytical Foundations of Electrical and Computer Engineering
ECE 220

Spring 2014
ECE 220
Problem Lab #5
Solutions of Differential Equations
Date: Week of March 20, 2017
The main goal of this lab is to summarize and reinforce the methods presented in Chapter 7
about solving differe
Analytical Foundations of Electrical and Computer Engineering
ECE 220

Spring 2014
ECE 220
Problem Lab 7
Laplace Transforms
July 15, 2015
This lab consists of problems for Chapter 8. These problems are good examples of the types of
problems that appear on homeworks and tests.
The go
Analytical Foundations of Electrical and Computer Engineering
ECE 220

Spring 2014
ECE 220, Summer Section 051
Test #2
Friday July 14, 2006
Please read all questions before beginning. Show ALL work. Write as much as
you can for each question, and please check your work. Do not use t
Analytical Foundations of Electrical and Computer Engineering
ECE 220

Spring 2014
North Carolina State University
Department of Electrical and Computer Engineering
ECE 220.002 Analytical Foundations of ECE
Spring 2017
General Information
Instructor: Dr. Gary Ybarra
Office: EB2 Room
Analytical Foundations of Electrical and Computer Engineering
ECE 220

Spring 2014
Ybarra
North Carolina State University
Department of Electrical and Computer Engineering
ECE 220 Spring 2017
Test 2A March 20
Name (neatly printed) Jigx
Under the North Carolina State University honor
Analytical Foundations of Electrical and Computer Engineering
ECE 220

Spring 2014
ECE220
Problem Lab #4
Using MATLAB as a tool
in answering complicated questions
Date: Week of February 19, 2007
The goal of this lab is to demonstrate how you can use MATLAB to visualize seemingly
com
Analytical Foundations of Electrical and Computer Engineering
ECE 220

Spring 2014
ECE220
Homework #2 Solutions
Solution to Problem 3.4
The following MATLAB sript plots the four signals:
lear
lose all
tmin = 0;
tmax = 4;
dt = 0.01;
t = tmin:dt:tmax;
s1 = sin(2*pi*t);
s2 = os(2*pi*t)
ECE 220
Analytical Foundations of ECE
Fall 2017
TEST 2 (KEY)
NAME:
INSTRUCTIONS
This test is closed book and closed notes. The TI30Xa is the only allowed calculator.
No answer is correct without an
ECE 220
Analytical Foundations of ECE
Fall 2017
TEST 1 (KEY)
NAME:
INSTRUCTIONS
This quiz is closed book and closed notes. A TI30Xa is the only allowed calculator.
Give stepbystep solutions that
ECE 220
Problem Lab #4 Solutions
Vectors and Matrices
October 1718, 2017
The goal of this lab is to write simple MATLAB scripts to practice vector and matrix operations.
Lab Text File: Open a word pr
ECE 220
Problem Lab #3
Getting Practice with MATLAB
Plotting Complex Functions
September 1920, 2017
The goal of this lab is to write MATLAB scripts to graph the magnitude and phase of complex
functio
ECE 220
Problem Lab 1 (Solutions)
Getting Practice with MATLAB
Signals and Operations
September 56, 2017
The goal of this lab is to learn to write simple MATLAB scripts to basic signals and to do som