Working Notes: a commonplace notebook for recording & exploring ideas.
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Determinant
- How is the area scaled after a linear transformation?
- Look at how the area of one square unit changes.
- Factor of change in area is determinant
- If determinant is zero, it squishes the plane into a lower dimension.
- Determinants can be negative
- Which shows the change in orientation of space.
- In 3 dimensions, this ends up referring to the change in volume.
- [[3b1b essence]]
— Kunal