Arranging a vector to new index position

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.

Answer 1

[Dyuman Joshi]

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

[rakesh kumar]

Thank you Dyuman