stack(xs; dims)

Concatenate the given array of arrays xs into a single array along the given dimension dims.

See also stack and batch.

Examples

			julia> xs = [[1, 2], [3, 4], [5, 6]]
3-element Vector{Vector{Int64}}:
 [1, 2]
 [3, 4]
 [5, 6]

julia> stack(xs, dims=1)
3×2 Matrix{Int64}:
 1  2
 3  4
 5  6

julia> stack(xs, dims=2)
2×3 Matrix{Int64}:
 1  3  5
 2  4  6

julia> stack(xs, dims=3)
2×1×3 Array{Int64, 3}:
[:, :, 1] =
 1
 2

[:, :, 2] =
 3
 4

[:, :, 3] =
 5
 6