University of Memphis
– Spring 2021 
MATH 2120 
Dept Math
Sciences – D. P. Dwiggins 
Differential Equations 







TUESDAY 
THURSDAY 


Jan 19 

Jan 21 



§§ 1.12 
Introduction to 
§§ 1.23 
Initial Value 



ODEs and PDEs 

Problems 


Jan 26 

Jan 28 



§§ 2.12 
Types of 
§§ 2.23 
Separable and 



Solutions 

Linear Equations 


Feb 2 

Feb 4 
HW 1 Due 


§§ 2.45 
Exact Equations, 
§§ 2.56 
Other Methods 



Bernoulli Equation 

of Solving DE's 


Feb 9 




§§ 3.13 
Stability and 
Snow Day 



Instability 








HW # 2
Due 
Snow Day 








Feb 23 

Feb 25 



REVIEW 
Test # 1 


Chapters 1, 2, 3 


March 2 

March 4 



§§ 4.13 
Higher
Ordered 
§§ 4.45 
Undetermined 



IVPs and BVPs 

Coefficients 



March 11 



Spring
Break # 1 
§§ 4.56 
Variation of 





Parameters 


March 16 

March 18 
HW 3 Due 


§§ 4.78 
Euler's Equation, 
§§ 5.13 
Vibrations and 



Green's Functions 

RLC Circuits 


March 23 

March 25 



§§ 6.12 
Power Series 
§§ 6.23 
Series 



Methods 

Solutions 


March 30 

April 1 
HW 4 Due 


§ 6.4 
Special 
REVIEW 



Functions 


April 6 




Test # 2 
Spring Break # 2 


Chapters
4, 5, 6 




April 13 

April 15 



§§ 8.23 
Linear Systems 
§ 8.4 
The Matrix 



of ODEs 

Exponential Solution 


April 20 

April 22 
HW 5 Due 


§§ 7.12 
Laplace 
§§ 7.23 
Transform 



Transforms 

Solutions 


April 27 




REVIEW 
Study Day 






Final
Exam to be announced later 












