Differential Equations & Linear Algebra

MIT 18.03 — Gilbert Strang & Cleve Moler

68 video lectures covering first-order ODEs, second-order equations, Laplace transforms, systems and phase planes, linear algebra essentials (eigenvalues, SVD, matrix exponential), partial differential equations (Fourier series, heat & wave equations), and numerical methods with MATLAB.

68

Video Lectures

7

Sections

MIT

OpenCourseWare

Free

Open Access

Introduction & First Order Equations

0. Gilbert Strang & Cleve Moler Introduction

1. Overview of Differential Equations

2. The Calculus You Need

3. Response to Exponential Input

4. Response to Oscillating Input

5. Solution for Any Input

6. Step Function and Delta Function

7. Response to Complex Exponential

8. Integrating Factor for Constant Rate

9. Integrating Factor for a Varying Rate

10. The Logistic Equation

11. Stability and Instability of Steady States

12. Separable Equations

Second Order Equations

13. Second Order Equations

14. Forced Harmonic Motion

15. Unforced Damped Motion

16. Impulse Response and Step Response

17. Exponential Response – Possible Resonance

18. Second Order Equations with Damping

19. Electrical Networks: Voltages and Currents

20. Method of Undetermined Coefficients

21. An Example of Undetermined Coefficients

22. Variation of Parameters

Laplace Transforms

23. Laplace Transform: First Order Equation

24. Laplace Transform: Second Order Equation

25. Laplace Transforms and Convolution

Systems of Equations & Phase Plane

26. Pictures of Solutions

27. Phase Plane Pictures: Source, Sink, Saddle

28. Phase Plane Pictures: Spirals and Centers

29. Two First Order Equations: Stability

30. Linearization at Critical Points

31. Linearization of Two Nonlinear Equations

32. Eigenvalues and Stability: 2×2 Matrix A

33. The Tumbling Box in 3-D

Linear Algebra Essentials

34. The Column Space of a Matrix

35. Independence, Basis, and Dimension

36. The Big Picture of Linear Algebra

37. Graphs

38. Incidence Matrices of Graphs

39. Eigenvalues and Eigenvectors

40. Diagonalizing a Matrix

41. Powers of Matrices and Markov Matrices

42. Solving Linear Systems

43. The Matrix Exponential

44. Similar Matrices

45. Symmetric Matrices, Real Eigenvalues, Orthogonal Eigenvectors

46. Second Order Systems

47. Positive Definite Matrices

48. Singular Value Decomposition (SVD)

Partial Differential Equations

49. Boundary Conditions Replace Initial Conditions

50. Laplace Equation

51. Fourier Series

52. Examples of Fourier Series

53. Fourier Series Solution of Laplace’s Equation

54. Heat Equation

55. Wave Equation

Numerical Methods (MATLAB)

56. Euler Method (ODE1)

57. Midpoint Method (ODE2)

58. Classical Runge-Kutta (ODE4)

59. Order, Naming Conventions

60. Estimating Error (ODE23)

61. ODE45

62. Stiffness (ODE23s, ODE15s)

63. Systems of Equations

64. The MATLAB ODE Suite

65. Tumbling Box

66. Predator-Prey Equations

67. Lorenz Attractor and Chaos