A. Structural

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# 5A. Structural

The verbs given here affect the structure of the arguments; the shape or rank of the result of such verbs differ from the shape or rank of the argument.

`m0=: ,:` | Add leading dimension of length 1
`m1=: ,:"_1` | Add leading dim of length 1 to items
`m2=: ,:"1` | Add leading dim of length 1 to rows
`m3=: ,:"0` | Add leading dim of length 1 to scalars
`m4=: ,.` | 1-column table from list
`d5=:([:":[:,.[),"1(' '"_,"1 [:":])` | Append row stub x to table y
`m6=: ,:-` | Array and its negative
`m7=: #:&.<:@# $ ]` | Make a hypercube from a vector of length n (where n is a power of 2)

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