I have a vector of vectors like: a = [[1,2,3],[4,5,6],[7,8,9]] When I want the first element of the first vector inside the vector, I simply use: a[1][1] But when I try to get the first element of all the vector using a[:][1] I get all the elements of the first vector 1 2 3 instead of the …

Get the Nth element of all vectors inside an array of vectors

Oscar_Smith November 7, 2020, 3:52pm 2

getindex.(a,1) should do what you want here. Unfortunately I don’t think there is a way to do this with []

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