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# System prepended metadata

title: Untitled
tags: [MAT224]

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tags: MAT224
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## Draft and Notes

### Lecture 7: Determinant and Characteristic polynomial

[Permutation](https://hackmd.io/@LVcpSNoxQAim3tB5Xaj-gg/H1vGj682U)

[Calculating 4x4 determinant by unrecommended method](https://hackmd.io/@LVcpSNoxQAim3tB5Xaj-gg/ryFZb1w2L)

[Visualizing determinant](https://hackmd.io/@LVcpSNoxQAim3tB5Xaj-gg/S1SBoyv2U)
