I'm trying to figure out what this quote means and what our strategy is just looking at the matrix what kind of permutations we need to do.(adsbygoogle = window.adsbygoogle || []).push({});

Quotes: "The first permutation step is trivial (since the pivot element 10 is already the largest). The corresponding permutation matrix is the identity, and we need not write it down. The first elimination step is:"

Why do we need to do permutations at all? How do we know by looking?

https://www.student.cs.uwaterloo.ca/~cs370/notes/LUExample2.pdf

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# Have you done PA=LU factorization?

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