15. 連接詞
有四個函數用來連接引數：; , ,. 與 ,: 。以下將以向量與矩陣引數來說明:
a=: 'pqr' [ b=: 'PQR'
m=: 3 3$ 'abcdefghi' [ n=: 3 3$ 'ABCDEFGHI'
a (; ; , ; ,. ; ,:) b
+---------+------+--+---+
|+---+---+|pqrPQR|pP|pqr|
||pqr|PQR|| |qQ|PQR|
|+---+---+| |rR| |
+---------+------+--+---+
m (; ; , ; ,. ; ,:) n
+---------+---+------+---+
|+---+---+|abc|abcABC|abc|
||abc|ABC||def|defDEF|def|
||def|DEF||ghi|ghiGHI|ghi|
||ghi|GHI||ABC| | |
|+---+---+|DEF| |ABC|
| |GHI| |DEF|
| | | |GHI|
+---------+---+------+---+
a (; ; , ; ,. ; ,:) n
+---------+---+----+---+
|+---+---+|pqr|pABC|pqr|
||pqr|ABC||ABC|qDEF| |
|| |DEF||DEF|rGHI| |
|| |GHI||GHI| | |
|+---+---+| | |ABC|
| | | |DEF|
| | | |GHI|
+---------+---+----+---+
m (; ; , ; ,. ; ,:) b
+---------+---+----+---+
|+---+---+|abc|abcP|abc|
||abc|PQR||def|defQ|def|
||def| ||ghi|ghiR|ghi|
||ghi| ||PQR| | |
|+---+---+| | |PQR|
| | | | |
| | | | |
+---------+---+----+---+
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