Math 404 - Homework 7 Example Student Solutions
March 11, 2011
S: 6.5.2 Consider the system x = x x2 . a) Find and classify the equilibrium points. b) Sketch the phase portrait. c) Find an equation for the homoclinic orbit that separates closed and nonclo
Math 404 - Homework 6 Example Student Solutions
February 27, 2011
S: 6.1.13 Draw a phase portrait that has exactly three closed orbits and one xed point. Answer
Figure 1: Phase portrait with exactly 3 closed orbits and 1 xed point.
1
S: 6.1.14(Series appr
Math 404 - Homework 6 Example Student Solutions
February 15, 2011
S: 6.1.8Plot Phase Portraits for the following system (the van der Pol oscillator). x=y y = x + y (1 x2 ) Answer First, note that we will have xed points when x = 0 and y = 0. This will hap
Kenneth Rodriguez
9/30/11
Chem101-92H
TA: Michael R. Fletcher
Introduction
In this lab, we used conductivity as a means to study the properties of ionic and
molecular compounds. Ionic compounds are formed by the reaction of Metals and Non-metals,
usually