I am having a problem splicing together two arrays. Let’s assume I have two arrays:
a = array([1,2,3]) b = array([4,5,6])
When I do vstack((a,b))
I get
[[1,2,3],[4,5,6]]
and if I do hstack((a,b))
I get:
[1,2,3,4,5,6]
But what I really want is:
[[1,4],[2,5],[3,6]]
How do I accomplish this without using for loops (it needs to be fast)?
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Answer
column_stack
.