selection of n disticnt vector

I have a vector A like

A = 1 : 10

I want to make two distinc vector of length 3 such thta no array be in common between these vectors. for example

a = [1 2 5]

b [ 3 4 8]

is a good answer but somthing like

a = [1 2 5]

b = [5 4 7]

is not desired. Since the number 5 is in common between two vectors.

Answer 1

[John D'Errico]

Easy enough.

A = 1:10;
index = randperm(10,6);
a = A(index(1:3));
b = A(index(4:6));

Since randperm generates samples without replacement, no overlap is certain.