(C) 2012/2013 Oksana Shatalov, all rights reserved.

Math 308    Spring 2013

Outline Notes

Dr Oksana Shatalov

This page will be updated as the semester progresses.



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Notes
EXAM 1
January 13
Introduction,  Solutions of some differential equations,  Separable equations       Notes without space    Partially Completed Notes
January 17
Method of Integrating Factors       Notes without space        Notes with space     
January 22
Modelling with first order equations, Direction field, Autonomous equations, and population dynamics  Notes without space        Notes with space   Partially Completed Notes
January 28
Differences between Linear and Nonlinear Equations (section 2.4) Notes without space  Notes with space Partially Completed Notes
January 30
Exact Equation and Integrating Factor (Section 2.6)  Notes without space   Notes with space
February 3 Solutions of linear homogeneous equations of second order.  The Wronskian. Notes without space   Notes with space   Partially Completed Notes
February 5
Homogeneous Equations with Constant Coefficients. Notes without space   Notes with space   Partially Completed Notes
EXAM 2
February 10

Complex Numbers Review  and   Worksheet
Complex Roots of  the Characteristic Equation Notes without space   Notes with space    Completed Notes
February 14 The case of repeated roots (section 3.4) Notes without space   Notes with space
February 18 Reduction of order (Section 3.4 continued) Notes without space 
February 21
Nonhomogeneous Equations. Method of Undetermined Coefficients (section 3.5) Notes without space   Notes with space Partially Completed Notes
February 23 Method Variation of Parameters (section 3.6) Notes without space   Notes with space
February 25 Mechanical and Electrical Vibrations (section 3.7)Notes without space    Notes with space   Completed Notes
February 28
Forced Vibrations (section 3.8) Notes without space
March 03
Laplace Transform: definition and solution of IVP (sections 6.1-6.2) Notes without space  Notes with spacePartially Completed Notes

EXAM 3


March 16
Step functions. Differential equations with discontinuous forcing functions (sections 6.3 and 6.4). Notes without space  Notes with space
Impulse functions (section 6.5 ); The convolution integral.(section 6.6)   Notes without space     Notes with space Partially Completed Notes

March 24
Systems of FIRST Order Equations. Preliminaries. Notes without space
Appendix: Matrices and Matrix Multiplication. Notes without space          Partially Completed Notes                 
April 2  Basic Theory of Systems of First Order Linear Equations  (sec. 7.4) Notes without space
 Systems of Linear Algebraic Equations. Eigenvalues and Eigenvectors  (section 7.3) Notes without space    Partially Completed Notes     
Homogeneous Linear Systems with Constant Coefficients  (sec. 7.5)   Notes without space      Partially Completed Notes     
April 11
Complex Eigenvalues (sec.7.6) Notes without space        Partially Completed Notes     
Repeated Eigenvalues  Notes without space    Notes with space     Partially Completed Notes  
New Material for Final Exam
April 18 Non-homogeneous Linear Systems (section 7.9)   Notes without space        Notes with space     Completed Notes  

The Phase Plane: Linear Systems (section 9.1)  Notes without space        Notes with space
April 22
Power Series, Taylor Series and Analytic Functions (section 5.1)  Notes with space
Series of Solutions near an Ordinary Point (sections 5.2 and 5.3)Notes with space  Partially Completed Notes