朱莉娅的排序索引(相当于numpy的argsort)

Question

哪个Julia的函数返回将对数组进行排序的索引？Python的Numpy使用argsort.

Answer 1

julia> r = rand(0:9, 5)
5-element Array{Int64,1}:
 5
 0
 6
 1
 1

julia> i = sortperm(r)
5-element Array{Int64,1}:
 2
 4
 5
 1
 3

julia> r[i]
5-element Array{Int64,1}:
 0
 1
 1
 5
 6