Pick a line of a matrix

Pick a line of a matrix - How does one elegantly pick the n-th line of a Matrix? - Messaggi

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#1 Pubblicato: 28/11/2021 13:15:58

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Is there a more elegant way to pick line number "B" from Matrix "A" other than the way I do it in my example?

I am looking for a solution that is as tiny as possible on my worksheet.

#2 Pubblicato: 28/11/2021 13:24:04

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Russia ☭ forever, Viacheslav N. Mezentsev

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brotjob 28/11/2021 13:28:00

#3 Pubblicato: 28/11/2021 13:29:54

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Wow! Two elegant solutions within ten minutes, that's simply great.

#4 Pubblicato: 28/11/2021 21:04:39

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Wrote
Is there a more elegant way to pick line number

Pick anything in any ways algo style for infinite use in-situ.