Lecture Topics

Lecture Video: Translation Symmetry
Prof. Lee introduces the concept of “boundary conditions” which enables us to solve a finite system using the general solution of an infinitely long system. In the end of the lecture, a wave equation is derived in the continuous limit.
Lecture Notes
Typed Notes for Lecture 8 (PDF  1.2MB)
Handwritten Notes for Lecture 8 (PDF  1.9MB)
Textbook Reading
Chapter 5: Waves (PDF  1.4MB) (section 5.3 to end)
Chapter 6: Continuum Limit and Fourier Series (PDF  1.2MB) (through section 6.1)
Inclass Demonstrations
SEE IT IN THE LECTURE 

Bell Labs Wave Machine 
Related Resources
Video: Wave on a String from PhET Interactive Simulations project at the University of Colorado Boulder