prod
Syntax
prod(X)
Arguments
X is a scalar/vector/matrix/table.
Details
If X is a vector, return the product of all the elements in X.
If X is a matrix, calculate the product of all the elements in each column of X and return a vector.
If X is a table, calculate the product of all the elements in each column of X and return a table.
As with all aggregate functions, NULL values are not included in the calculation.
Examples
prod(1 2 NULL 3);
// output
6
m=matrix(1 2 3, 4 5 6);
m;
#0 | #1 |
---|---|
1 | 4 |
2 | 5 |
3 | 6 |
prod(m);
// output
[6,120]