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 
HW 1 Due 
Feb 4 



§§ 2.45 
Exact Equations, 
§§ 2.56 
Other Methods 



Bernoulli Eq'n 

of Solving DE's 


Feb 9 

Feb 11 



§§ 3.12 
Stability and 
§§ 3.23 
Systems 



Instability 

of ODEs 


Feb 16 
HW 2 Due 
Feb 18 



§ 8.1 
Matrix 
REVIEW 



Equations 


Feb 23 

Feb 25 



Test # 1 
§§ 4.12 
Higher
Ordered 


Chapters
1, 2, 3 

ODEs 


March 2 

March 4 



§§ 4.23 
Constant 
§§ 4.45 
Undetermined 



Coefficient Eqn's 

Coefficients 



March 11 



Spring
Break # 1 
§§ 4.56 
Variation of 





Parameters 


March 16 
HW 3 Due 
March 18 



§§ 5.12 
Mechancial 
§§ 5.23 
Electrical 



Vibrations 

RLC Circuits 


March 23 

March 25 



§§ 6.12 
Power Series 
§§ 6.23 
Series 



Methods 

Solutions 


March 30 
HW 4 Due 
April 1 



§ 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 Sol'n 


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 












