square
Syntax
square(X)
Arguments
X is a scalar/pair/vector/matrix.
Details
Return the square of X. The data type of the result is always DOUBLE.
Examples
square(3);
// output
9
square(2 4 NULL 6);
// output
[4,16,,36]
square(1..4$2:2);
            | #0 | #1 | 
|---|---|
| 1 | 9 | 
| 4 | 16 | 
