Name: The determinant is the signed area of a parallelogram | Abstract Algebra 7
Uploaded: 2021-08-06T00:06:05+00:00
Duration: 10 min 29 s
Description: "Proof-by-picture" that the determinant of a 2x2 matrix is the signed area of the parallelogram spanned by its columns. The goal of this mini-series is to try to answer: "what does the determinant of

2 years ago

linear algebra matrix determinant area abstract algebra

"Proof-by-picture" that the determinant of a 2x2 matrix is the signed area of the parallelogram spanned by its columns.

The goal of this mini-series is to try to answer: "what does the determinant of a matrix have to do with it being invertible". More generally, my aim is to untie the knots most people have in their head about basic things in linear algebra.

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