I have a vector x that contains “actual values” and a vector y that contains indices (which are less than or equal to the length of x). I want to create a new vector z whose ith element is x[y[i]]. I am looking for a one-liner to do this. I tried z = x.[y] but that’s not a thing. The code below doe…

Creating a vector from a vector of values and a vector of indices to the first vector

grunst February 14, 2021, 5:25pm 2

julia> x[y]
4-element Array{Int64,1}:
 1
 2
 2
 5

4 Likes

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