#### 8.2.55.50 table.union ¶

Method: `[C, ia, ib] =` union `(A, B)` ¶

  Set union.

  Computes the union of two tables. The union is defined to be the unique row values which are present in either of the two input tables.

  Returns: C - A table containing all the unique row values present in A or B. ia - Row indexes into A of the rows from A included in C. ib - Row indexes into B of the rows from B included in C.