Uploaded August 2019 | Updated September 2026, 1 week ago
Watch the actual series video: youtu.be/b9-377emPKc
I haven't been able to record any videos for the last few days because of really loud remodeling in my house, so I decided to make this outtake video instead. I hope you find my bloopers as funny as I do!
New math videos every Monday and Friday. Subscribe to make sure you see them!
Watch the actual series video: youtu.be/b9-377emPKc
I haven't been able to record any videos for the last few days because of really loud remodeling in my house, so I decided to make this outtake video instead. I hope you find my bloopers as funny as I do!
New math videos every Monday and Friday. Subscribe to make sure you see them!
![How the Matrix Characteristic Polynomial is Connected to F[x]-Modules](https://i.ytimg.com/vi/jCt6mR3QtPk/mqdefault.jpg "How the Matrix Characteristic Polynomial is Connected to F[x]-Modules
Rational canonical form: https://youtu.be/q5uj4o0O5R0
Similar matrices isomorphism: https://youtu.be/-ligAAxFM8Y
Intro to F[x]-modules: https://youtu.be/H44q_Urmts0
The characteristic polynomial described by the determinant det(xI-A) is very useful when studying matrices. It turns out that its related to modules as well! Here we show how the characteristic polynomial is related to the module form of an arbitrary matrix.
Ring & Module Theory playlist: https://www.youtube.com/playlist?list=PLug5ZIRrShJExMapwnaKTFXDYbKeWDXq7
0:00 Computing the determinant
10:07 Similar matrices have same polynomial
12:40 Proof for a general matrix
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Music: C418 - Pr Department")
