flip

flip x     flip[x]

Returns x transposed, where x may be a list of lists, a dictionary or a table.

In a list of lists, each list must be the same length.

q)flip (1 2 3;4 5 6)
1 4
2 5
3 6

The flip of a dictionary is a table, and vice versa. If x is a dictionary where the keys are a list of symbols, and the values are lists of the same count (or atoms), then flip x returns a table.

The flip of a table is a dictionary.

q)D:`sym`price`size!(`IBM`MSFT;10.2 23.45;100 100)
q)flip D
sym  price size
---------------
IBM  10.2  100
MSFT 23.45 100
q)D~flip flip D
1b

If an atom(s) are provided, they are extended to match the length of the list(s).

q)flip (1 2 3;4)
1 4
2 4
3 4
q)flip `sym`price`size!(`I;10.2 23.45 45.67;100)
sym price size
--------------
I   10.2  100
I   23.45 100
I   45.67 100