# JPhrases/Structural

# 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)