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fix small error in brachiosaure wu

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Signed-off-by: Julien CLEMENT <julien.clement@epita.fr>
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Julien CLEMENT 2023-05-01 17:22:19 +02:00
parent e11eceaa85
commit f3e0ce09f6
1 changed files with 5 additions and 4 deletions
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jujure/content/writeups/fcsc_2023/brachiosaure.md
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@ -298,9 +298,10 @@ And there is a really interesting property indeed:
{{< image src="/brachiosaure/invertible.png" style="border-radius: 8px;" >}} {{< image src="/brachiosaure/invertible.png" style="border-radius: 8px;" >}}
By adding empty matrices and an identity matrix in the bottom right corner, the By adding identity matrices and an empty matrix in the bottom right corner, the
resulting matrix is always invertible, and the inverse can be trivially computed resulting matrix is always invertible, and the inverse can be trivially
since it is simply moving matrices arround and negating the original image modulo 256 `notice the "-(QRuser)" in the inverted matrix`. computed since it is simply moving matrices arround and negating the original
image modulo 256 `notice the "-(QRuser)" in the inverted matrix`.
## Putting everything together ## Putting everything together