contextSum2

Syntax

contextSum2(X, Y)

Arguments

X and Y are vectors of the same length.

Details

Get of positions that are not NULL in both X and Y, and calculate the sum of squares of the elements in X on these positions.

Please note that the data type of the result is always DOUBLE, even if the data type of X and Y is INT or LONG.

Examples

$ contextSum2(1 2 3, 10 NULL 30);
10

$ contextSum2(1 2 3, true false true);
14