Arranging a vector to new index position

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rakesh kumar
rakesh kumar 2023-1-25
移动：Jan 2023-1-25
I have a vector E= [E1, E2.... En]. I have shuffled it's index with randomperm. I want to arrange the vector E according to new index.

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Dyuman Joshi
Dyuman Joshi 2023-1-25
移动：Jan 2023-1-25
Ran in:
You mean like this
n=15;
E = randi(50,1,n)
E = 1×15
24 37 16 40 45 46 49 29 48 38 32 49 43 6 22
idx = randperm(n)
idx = 1×15
6 12 5 3 4 8 2 15 10 13 7 11 9 14 1
Eprime = E(idx)
Eprime = 1×15
46 49 45 16 40 29 37 22 38 43 49 32 48 6 24

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