reshape
reshape(x, sizes)
Reshape a multi dimensional array to fit the specified dimensions.
Try it yourself:
| $1 | reshape([1, 2, 3, 4, 5, 6], [2, 3])
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| $2 | reshape([[1, 2], [3, 4]], [1, 4])
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| $3 | reshape([[1, 2], [3, 4]], [4])
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| $4 | reshape([1, 2, 3, 4], [-1, 2])
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