Math 270: Differential Equations

Lecture Notes


Print these notes out and bring them to class on the indicated date



Math 270 Day 24 (Section 8.3 _ Power Series Solutions to Linear Differential Equations) (5/11/23)

Math 270 Day 23 (Section 8.1 _ The Taylor Polynomial Approximation) (5/4/23)

Math 270 Day 22 (Section 7.9 _ Impulses and the Dirac Delta Function) (5/2/23)

Math 270 Day 21 (Section 7.8 _ Convolution) (4/27/23)

Math 270 Day 20 (Section 7.7 _ Transforms of Periodic and Power Functions) (4/25/23)

Math 270 Day 19 (Section 7.6 _ Laplace Transforms of Discontinuous Functions) (4/20/23)

Math 270 Day 18 (Section 7.5 _ Using the Laplace Transform to Solve IVPs) (4/18/23)

Math 270 Day 16 Part 1 (Section 7.3 _ Properties of the Laplace Transformation) (4/11/23)
Math 270 Day 16 Part 2 and Day 17 (The Inverse Laplace Transform) (4/11/23)

Math 270 Day 15 (Section 7.2 _ The Definition of the Laplace Transformation) (4/4/23)

Math 270 Day 14 (Section 4.9 _ Applications of Second-Order Linear Differential Equations) (3/21/23)

Math 270 Day 13 Part 1 (Section 4.6 _ Variation of Parameters Part 1) (3/16/23)
Math 270 Day 13 Part 2 (Section 4.7 _ Variable-Coefficient Equations) (3/16/23)

Math 270 Day 12 Part 1 (Section 4.5 _ The Superposition Principle and The Method of Undetermined Coefficients Revisited Part 2) (3/14/23)
Math 270 Day 12 Part 2 (Section 4.6 _ Variation of Parameters Part 1) (3/14/23)

Math 270 Day 11 Part 1 (Section 4.4 _ The Method of Undetermined Coefficients Part 2) (3/9/23)
Math 270 Day 11 Part 2 (Section 4.5 _ The Superposition Principle and The Method of Undetermined Coefficients Revisited Part 1) (3/9/23)

Math 270 Day 10 Part 1 (Section 4.3 _ Solving Second-Order Linear Homogeneous DEs With Constant Coefficients With Complex Roots) (3/7/23)
Math 270 Day 10 Part 2 (Section 4.4 _ The Method of Undetermined Coefficients Part 1) (3/7/23)

Math 270 Day 9 Part 1 (Intro Material Before We Start Sections 4.2 and 4.3) (3/2/23)
Math 270 Day 9 Part 2 (Section 4.2 _ Solving Second-Order Linear Homogeneous DEs With Constant Coefficients With Only Real Roots) (3/2/23)

Math 270 Day 8 (Chapter 3 _ Applications of Linear Differential Equations Part 2) (2/23/23)


Math 270 Day 7 Part 1 (Section 2.6 _ Substitutions and Transformations Part 2) (2/21/23)
Math 270 Day 7 Part 2 (Section 3.2 _ Applications: Compartmental Analysis) (2/21/23)


Math 270 Day 6 Part 1 (Section 2.5 _ Special Integrating Factors) (2/16/23)
Math 270 Day 6 Part 2 (Section 2.6 _ Substitutions and Transformations Part 1) (2/16/23)


Math 270 Day 5 Part 1 (Section 2.3 _ Solving Linear First Order DEs) (2/14/23)
Math 270 Day 5 Part 2 (Section 2.4 _ Exact Equations) (2/14/23)


Math 270 Day 4 Part 1 (Sections 1.3 and 1.4 Extended Discussion) (2/9/23)
Math 270 Day 4 Part 2 (Section 2.2 _ Separable Differential Equations) (2/9/23)


Math 270 Day 3 Lecture Notes (Section 1.3 and 1.4 _ Direction Fields and Eulers Method) (2/7/23)


Math 270 Day 2 Lecture Notes (Section 1.2 _ Solutions and Initial Value Problems) (2/2/23)


Math 270 Day 1 Lecture Notes (What are Differential Equations) (1/31/23)