> a = [1,4,-45,24,4.65] a = 1 4 -45 24 4.65 > b = [0,433,43,1,4.65,4,2,24] b = matrix columns 1 thru 6 0 433 43 1 4.65 4 matrix columns 7 thru 8 2 24 > complement(a,b) 0 2 43 433
intersection()
set()
union()