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I can't imagine what 4D arrays, or above look like, can anyone explain this to me?

I understand that a 2D array would be a table, with rows and columns, and a 3D array would be the same but with slices, like a block. Please correct me if I'm wrong. But can someone please explain how 4D or higher arrays work, and what it would be used for?

18th Jan 2017, 3:58 PM
Kavita Sharma
2 Answers
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you can think of a macro system so 3rd dim is a cube. 4th is a row of cubes, 5 is a layer of cubes. 6 is a cube of cubes. 7 is a row of cubes of cubes and so on.
18th Jan 2017, 4:02 PM
Andreas K
Andreas K - avatar
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they are used in machine learning where you would have as many dimensions as you have metrics to correlate, for example.
18th Jan 2017, 4:42 PM
Leon
Leon - avatar