prod
prod(X) returns product of vector X elements.
In case X is a matrix:
In case X is a matrix:
- prod(X) returns product of each of X columns
- prod(X,2) returns product of each of X rows
Examples
> X = [1:4;2:5]#
1 2 3 4
2 3 4 5
> prod(X)#
2 6 12 20
> prod(X,2)#
24
120
> prod(prod(X))#
2880