A quick trick for computing eigenvalues | Chapter 15, Essence of linear algebra
How to write the eigenvalues of a 2x2 matrix just by looking at it.
Need a refresher on eigenvalues?
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Lockdown math lecture talking about the mean product formula:
Timestamps:
0:00 - Background
4:53 - Examples
10:24 - Relation to the characteristic polynomial
12:00 - Last thoughts
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