Mathematics & Statistics
Texas Tech University
Kent Pearce

Department of Mathematics and Statistics
Texas Tech University
Lubbock, Texas 79409-1042
Voice: (806)742-2566 x 226
FAX: (806)742-1112
Email: kent.pearce@ttu.edu

Math 3354
Differential Equations I
Spring 2013
Zill & Cullen
Differential Equations with Boundary Value Problems
Cole & Brooks

Review Exam III

You may bring a notecard to the exam with review information you have prepared for the exam.

Section Content      Suggested Problems
Section 5.1
  • Linear Dynamical Systems
  • Hooke's Law
  • Newton's Second Law
  • Spring/Mass
  • Equilibrium Position
  • Coordinate System Orientation
  • Free Undamped Motion
    • mx" + kx = 0
    • x" + ω2x = 0
  • Alternative Form of Solution
    • Amplitude
    • Phase Angle
  • Free Damped Motion
    • mx" + βx' + kx = 0
    • x" + 2λx' + ω2x = 0
  • Overdamped, Critically Damped, Underdamped
  • Driven or Forced Motion
    • mx" + βx' + kx = f(t)
    • x" + 2λx' + ω2x = F(t)
  • Transient vs Steady-State Solutions
3, 6, 9, 10, 21, 22, 26, 29
Section 7.1.1
  • Definition of Improper Integral
  • Basic Definition of Laplace Transform
  • Transforms of Basic Functions (Theorem 7.1)
  • Exponential Order
  • Theorem 7.1.2 Sufficient Condition for Existence
  • Laplace Transform of Piece-wise Continuous Function
3, 5, 9, 13, 21, 24, 27, 31,
Section 7.2
  • Inverse Transforms
  • Theorem 7.2.1
  • Partial Fraction Expansions and Linearity
  • Transforms of Derivatives
  • Solving linear initial-value problems
    • Procedure Diagram
  • Solve First Order Linear IVPs
  • Solve Second Order Linear IVPs
3, 4, 8, 15, 17, 20, 23, 26, 27, 32, 34, 36
Section 7.3
  • Translation on the s-axis
    • First translation/shifting theorem (Theorem 7.3.1)
  • Unit step function
  • Piece-wise Defined Functions
  • Translation on the t-axis
    • Second translation/shifting theorem (Theorem 7.3.2)
    • Alternative Version of Theorem 7.3.2
  • Solving linear initial-value problems
3, 6, 9, 10, 11, 14, 16, 18, 19, 22, 24, 26, 29, 37, 41, 43, 44, 47, 63, 65, 68
Section 7.4
  • Derivatives of Transforms (Theorem 7.4.1)
  • Convolution Theorem (Theorem 7.4.2)
  • Transform of a Period Function (Theorem 7.4.3)
  • Solving linear initial-value problems
3, 6, 9, 11, 13, 21, 23, 50, 51
Section 7.5
  • Unit Impulse Function
  • Dirac Delta Function
  • Solving linear initial-value problems
1, 3, 6, 9






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Last modified on: Monday, 10-Aug-2015 12:47:28 CDT