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using Argmax for PALU factorisation

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Sienna Phillips
Sienna Phillips on 21 Aug 2020
Answered: SaiDileep Kola on 25 Feb 2021
Hi there,
I am trying to make a PALU factorisation code and I am struggling with finding an argmax. I want to find the first or minimum argmax for the matrix A in column k and store it as rk like this rk ← min(argmaxs∈{k,...,d} |(Ak)s,k|). Just dont know how to code it.

Answers (1)

SaiDileep Kola
SaiDileep Kola on 25 Feb 2021
Go thorugh the conversation here and basic matrix operations of matlab documentation


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