shuffle

shuffle(X)

X is a vector/matrix.

Return a new vector/matrix after taking a shuffle on the data.

x=(1..6).shuffle();
x;
// output: [1,6,3,5,4,2]

x.shuffle!();
// output: [5,4,1,3,2,6]


x=(1..6).reshape(3:2);
x;

x.shuffle();