Lecture 12: Normal Modes II

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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!
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