Return to course page  

Mathematics 3113-002 - Introduction to Ordinary Differential Equations - Spring 2001

Section-by-section Course Objectives

This is by no means a complete list of what one needs to learn, but it does indicate the topics that will receive more emphasis.

Section Objectives
1.1 know what the following are: differential equation, solution of a DE, initial condition, initial value problem
  verify solutions of a DE
  find a particular solution of an IVP given a general solution
1.2 solve IVP's of the form dy/dx = f(x), y(x_0) = y_0
  use basic integration to solve velocity and acceleration problems
1.3 understand what existence and uniqueness of solutions mean, know examples of nonunique solutions
  understand the statement of the Existence and Uniqueness theorem for equations of the form dy/dx = f(x,y), and know how to apply it to examples
1.4 know the definition of a separable equation, know how to solve a separable equation by integration
1.5 know the definition of a first-order linear equation, know how to solve a first-order linear equation using integration
  be familiar with mixture and concentration problems as examples of how linear equations arise in simple situations
  understand existence and uniqueness for solutions of linear equations
1.6 know the definition of an exact equation, know how to solve exact equations by integration, and the criterion for recognizing exact equations
  know the definition of a Bernoulli equation, know how to solve a Bernoulli equation using substitution
  know the definition of a homogeneous equation, know how to solve a homogeneous equation using substitution
2.1 know statement of the logistic equation; given the general solution, be able to work out behavior of typical situations governed by the logistic model
  have some familiarity with the doomsday-extinction model
2.3 have some familiarity with velocity-acceleration models involving air resistance
3.1 know the general theory of second-order linear differential equations: definition, homogeneous and nonhomegeneous equations, Principle of Superposition, Existence and Uniqueness Theorem, linear dependence, the Wronskian, the general form of the solutions of the homogeneous and nonhomogeneous cases
3.2 know the general theory of linear differential equations: definition, homogeneous and nonhomegeneous equations, Principle of Superposition, Existence and Uniqueness Theorem, linear dependence, the Wronskian, the general form of the solutions of the homogeneous and nonhomogeneous cases
3.3 know how to solve homogeneous linear differential equations with constant coefficients, using the characteristic equation
3.4 familiarity with free undamped and damped motion models, and understand the qualitative behavior in the underdamped and overdamped cases
  know how to put a linear combination of sine and cosine functions into phase-angle form
3.5 know the method of undertermined coefficients for solving a nonhomogeneous linear equation with constant coefficients, be able to write down the trial solution for any function of the form p(x) e^{rx} cos(kx) or p(x) e^{rx} sin(kx)
  know how to use variation of parameters to find a particular solution of a nonhomogeneous linear equation, given the solutions of the associated homogeneous equation
3.8 know definition of a boundary value problem, know definition of eigenvalue and eigenfunction
  know how to find the eigenvalues and associated eigenfunctions for basic examples of boundary value problems
4.1 know how to convert an nth-order DE to a system of first-order DE's
  know how to solve simple systems by integration
  understand the phase-plane portrait representation of the solution of a system of two unknown functions
  know the E & U theorem for systems of linear DE's
4.2 know the definition of a linear operator, and examples showing that L_1 L_2 need not equal L_2 L_1 if the operators do not have constant coefficients
  know how to solve systems of linear equations by using linear operators (the method of elimination)
7.1 know definition of the Laplace transform, be very familiar with Laplace transforms of the common functions
  know the definition of the Heaviside step function, and its Laplace transform
  know the meaning of the inverse Laplace transform, and how to calculate it for common examples such as rational functions
7.2 be familiar with the formulas relating Laplace transform to differentiation and integration
  know how to use the Laplace transform to solve initial value problems for single equations and systems of equations
7.3 be familiar with the translation formula, and how to use it to find inverse Laplace transforms
7.4 know the definition of the convolution of two functions, be familiar with the product formula
  be familiar with the formulas for the derivative and the integral of a Laplace transform
7.5 be familiar with the Laplace transform of a periodic function
  be familiar with the t-translation formula
8.1 review the theory of Taylor series, and understand the radius of convergence of a power series
  know the definition of analytic function, know the example f(x)=exp(-1/x^2)   (and f(0)=0) of a nonanalytic function: its derivatives all exist at x=0 (and have the value 0 there), but f(x) is not equal to the value of its Taylor series at any nonzero x
  understand the power series method for solving ordinary DE's and be able to apply it to examples
8.2 know the definition of ordinary point and singular point for a second-order ordinary differential equation, know the behavior of the radius of convergence for power series solutions near ordinary points
  be able to apply the power series method near ordinary points of second-order equations

Return to course page