Math 53H, Spring 2010
Homework 1 Solutions
1.6. Find the general solution of the logistic dierential equation with constant harvesting
x = x(1 x) h
for all values of the parameter h > 0.
Solution: Start by separation of variables: assuming x(1 x) h = 0, w
JHU News-Letter Article (News & Features)
Blue Jay Shuttle Changing Routes
By: Sherry Kim
As of Monday, August 18th,Aug. 18, the Blue Jay Shuttle, one of Johns Hopkins
Universitys most critical modes of transportation for undergraduate and graduate studen
APTT Application Fall 2015
Please email completed applications to email@example.com
by Sunday, September 13th, 2015 before Midnight
A Place to Talk is student-to-student peer listening group for the Ho
LINEAR ALGEBRA (MATH 110.201)
Instructor: Giovanni DI MATTEO
Text book: Otto BRETSCHER, Linear Algebra with Applications, 5th edtion.
Course webpage: http:/www.math.jhu.edu/dimatteo/Linear-algebra.html
Lectures: MWF from 10-10:50 in Shaer Hall 3
Math 307K, Winter 2012
Final Exam: Solutions
Page 1 of 7
1. (7 total points) Suppose that a given population can be divided into two parts: those who have a given
disease and can infect others and those who do not have it but are susceptible. If the disea
SYLLABUS FOR MATH 306, LINEAR ALGEBRA
Course schedule: class meets in Ames 218, Monday and Wednesday
from 12pm-1:15pm. Recitation meets Friday, Ames 218 from 12pm12:50pm.
Lecturer: Jesse Gell-Redman, Krieger 220. Available by email at
The Phase Plane
Phase portraits; type and stability classifications of equilibrium solutions of
systems of differential equations
Phase Portraits of Linear Systems
Consider a systems of linear differential equations x = Ax. Its phase
portrait is a represe
Math 5410 1.
First Midterm Exam
Name: Practice Problems
September 19, 2014
1. Consider the family of dierential equations for the parameter a:
x = ax + sin x.
(a) Sketch the phase line when a = 0.
(b) Use the graphs of ax and sin x to determine