18.085 | Summer 2020 | Undergraduate

Computational Science and Engineering I

Lecture Notes

LEC # TOPICS LECTURE NOTES

1

Review of Linear Algebra Week 1 Lecture (PDF)

2

Review of Linear Algebra (cont.)

3

Review of Linear Algebra (cont.)

4

Differences, Derivatives, and Boundary Conditions Week 2 Lecture (PDF)

5

Inverses and Delta Functions

6

Eigenvalues and Eigenvectors

7

Positive Definite Matrices and Least Squares Week 3 Lecture (PDF)

8

Numerical Linear Algebra: LU, QR, SVD

9

Equilibrium and the Stiffness Matrix

10

Oscillation by Newton’s Law I Week 4 Lecture (PDF)

11

Oscillation by Newton’s Law II

12

Graph Models and Kirchhoff’s Laws

13

Damped Harmonic Oscillators and the Laplace Transform I Week 5 Lecture (PDF)

14

Damped Harmonic Oscillators and the Laplace Transform II

15

Review of Vector Calculus I

16

Review of Vector Calculus II; Fourier Series Week 6 Lecture (PDF)

17

Fourier Series (cont.)

18

Polar Coordinates and Laplace’s Equation

19

Laplace’s Equation and Separation of Variables Week 7 Lecture (PDF)

20

Laplace’s Equation and Finite Difference

21

The Finite Element Method I

22

The Finite Element Method II Week 8 Lecture (PDF)

23

The Discrete Fourier Transform and the FFT I

24

The Discrete Fourier Transform and the FFT II

25

Convolution and Signal Processing Week 9 Lecture (PDF)

26

Fourier Integrals

27

Course Review

28

Guest Lectures:

  • María Cristina Márquez Colás: Signal Processing and FT Application
  • Monika Feldmann: Numerical Differentiation and Thunderstorm Research
  • Sungwoo Jeong: Solving Linear Equation \(Ax=b\): Techniques and Examples
  • Claudio Lombardi: Dynamical Systems and Traffic Control
  • Evelyne Ringoot: Finite Element Modeling of the Detachment of Soft Adhesives
  • Jorge Manuel Marques Silva: Wave Energy Generation

Signal Processing and FT Application (PDF - 4.3MB) (Used with permission.)

Signal Processing and FT Application (PPTX - 12.5MB) (Used with permission.)

Numerical Differentiation and Thunderstorm Research (PDF - 1.4MB) (Used with permission.) 

Solving Linear Equation Ax = b: Techniques and Examples (PDF) (Used with permission.)

Dynamical Systems and Traffic Control (PDF) (Used with permission.)

Dynamical Systems and Traffic Control (PPTX - 1.8MB) (Used with permission.)

Finite Element Modeling of the Detachment of Soft Adhesives (PDF - 1.4MB) (Used with permission.)

Wave Energy Generation (PDF - 2.3MB) (Used with permission.)

Wave Energy Generation (PPSX - 3.2MB) (Used with permission.) [For image credit, see Wave Energy Generation (PDF - 2.3MB).]

29

Special Topic: Deep Learning/Double Descent by Prof. Gilbert Strang Deep Learning/Double Descent (PDF) (Used with permission.)

Course Info

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As Taught In
Summer 2020
Learning Resource Types
Problem Sets with Solutions
Exams with Solutions
Lecture Notes
Instructor Insights