Compares two arguments which must consist only of 0's and 1's. If neither element compared is a 1, the result for that comparison is 1. Otherwise the result for that comparison is 0.
1 1 0 1 0 0 0 0 1 0 0 0 1 0 1 1 1 1 0 (Each element in a vector is compared 0 0 0 0 1 with the corresponding element in a vector of equal size)
TABLE3 3½1 1 1 0 0 0 1 0 1 0 TABLE (Each element in a matrix is compared 0 0 0 with 0) 1 1 1 0 1 0