Nov 21, 2024  
2024-2025 Undergraduate Academic Catalog-June 
    
2024-2025 Undergraduate Academic Catalog-June
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MTH 2140 - Differential Equations

3 lecture hours 0 lab hours 3 credits
Course Description
This course focuses on the qualitative and quantitative analysis of select differential equations and systems of equations. Topics include separable first-order equations, first-order linear equations, higher-order linear homogeneous equations, higher-order linear homogeneous equations with constant coefficients, the method of undetermined coefficients, the Laplace transform, matrix algebra, matrix methods for algebraic linear systems, eigenvalues, eigenvectors, and the eigenvalue method for homogeneous linear systems with constant coefficients. Applications include Euler’s method and models with first-order, higher-order, and systems of linear differential equations.
Prereq: MTH 1120  (quarter system prereq: MA 2314)
Note: None
This course meets the following Raider Core CLO Requirement: Think Critically
Course Learning Outcomes
Upon successful completion of this course, the student will be able to:
  • Classify differential equations as linear or nonlinear and determine their order
  • Analyze solutions to first-order differential equations graphically
  • Verify if given functions are solutions of a differential equation, including identifying an interval of existence
  • Solve separable first-order differential equations by the method of separation of variables, including finding singular solutions
  • Solve first-order linear differential equations by the method of integrating factors
  • Solve first-order initial value problems
  • Model selected applications using first-order differential equations and interpret the results
  • Approximate solutions with error estimation of first-order initial value problems using Euler’s method
  • Use the Wronskian to determine if a set of solutions to a homogeneous linear differential equation are linearly independent
  • Solve higher-order linear homogeneous differential equations by using the Superposition Principle and linear independence
  • Solve higher-order homogeneous linear differential equations with constant coefficients using the auxiliary equation (characteristic equation)
  • Solve higher-order linear nonhomogeneous differential equations by the method of undetermined coefficients
  • Model selected applications using linear higher-order differential equations and interpret the results (such as spring-mass systems or LRC circuits)
  • Determine the Laplace transform of selected elementary functions using the definition
  • Determine the Laplace and inverse Laplace transform of selected elementary functions using tables and linearity
  • Determine the Laplace and inverse Laplace transform of functions using the translation theorems
  • Solve initial value problems of various orders using the method of the Laplace transform
  • Perform basic matrix algebra operations, including addition, multiplication, and scalar multiplication
  • Solve systems of linear equations using matrix methods
  • Compute the determinant of a matrix using cofactor expansion
  • Determine the eigenvalues and eigenvectors of a matrix
  • Solve homogeneous linear systems with constant coefficients using the eigenvalue method (for nondefective matrices)
  • Model selected applications using homogeneous linear systems and interpret the results

Prerequisites by Topic
  • Precalculus mathematics
  • Partial fraction decomposition and basic polynomial factoring
  • Limits, including L’Hôpital’s rule
  • Differential and integral calculus of one variable

Course Topics
  • Basic concepts and definitions
  • Existence and uniqueness for first order initial value problems
  • Direction fields of first order differential equations
  • Solutions, including singular solutions, of first-order differential equations by the method of separation of variables
  • Solutions of first-order linear differential equations by the method of integration factors
  • Approximating solutions of first-order differential equations using Euler’s method
  • The Wronskian of a set of functions
  • Solutions of physical situations that can be modeled by first-order differential equations
  • Solutions of higher order homogeneous differential equations with constant coefficients
  • Solutions of non-homogeneous higher-order differential equations using the method of Undetermined Coefficients
  • Solutions of physical situations that can be modeled by higher-order differential equations
  • Definition of the Laplace transform and its properties
  • The Laplace transform of elementary functions
  • Inverse Laplace transform
  • Translation theorems of the Laplace transform
  • Solutions of linear differential equations with constant coefficients using the Laplace transform
  • Basic matrix algebra operations and concepts
  • Representing and solving algebraic linear systems with matrices
  • Determinants of square matrices
  • Linear independence
  • Eigenvalues and eigenvectors of a matrix
  • Solutions to systems of homogeneous linear systems with constant coefficients
  • Solutions of physical situations that can be modeled by homogeneous linear systems

Coordinator
Dr. Niles Armstrong



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