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]