General derivation of the general equation of motion near a fixed point | ||||

Normal Modes II | the general equation of motion | |||

vector and bases review | ||||

dual basis | ||||

String and spring Q | ||||

What are the modes of a 3-mass system? | Recap of symmetry method - see also the complex wave (corkscrew) is an eigenvector of the translation operator | |||

modes of a 3-mass system | Solution: they lie exactly on sinusoids! |