Return a row vector containing the unique values in x, sorted in ascending order. For example,
create_set ([ 1, 2; 3, 4; 4, 2; 1, 2 ]) [ 1, 2, 3, 4 ]If the optional second input argument is the string "rows" each row of the matrix x will be considered an element of set. For example,
create_set ([ 1, 2; 3, 4; 4, 2; 1, 2 ], "rows") 1 2 3 4 4 2