difference
difference — constructs a list of the differences between two lists.
Syntax
difference (listA, listB)
Returns
All elements in listA that are not in listB.
Description
Constructs a new list that contains all of the elements in
listA not contained in
listB as compared by the function eq.
Example
Gamma> a = 1;
1
Gamma> b = 2;
2
Gamma> c = 3;
3
Gamma> d = 4;
4
Gamma> e = 5;
5
Gamma> A = list (a, b, c);
(1 2 3)
Gamma> B = list (b, d, e, c);
(2 4 5 3)
Gamma> difference (A, B);
(1)
Gamma> difference (B, A);
(4 5)
Gamma>
