Name

---

      INTERSECT

Purpose

---

      Return the elements common to two given arrays.

Category

---

Calling Sequence

---

      z = intersect(x,y)

Inputs

---

      x, y = arrays (not necessarily same size). in

Keyword Parameters

---

Outputs

---

      z = array of elements in common. out

Common Blocks

---

Notes

---

      Note: if z is a scalar 0 then no elements were
        in common.

Modification History

---

      R. Sterner 19 Mar, 1986.
      R. Sterner, 4 Mar, 1991 --- converted to IDL v2.
  Copyright (C) 1986, Johns Hopkins University/Applied Physics Laboratory
  This software may be used, copied, or redistributed as long as it is not
  sold and this copyright notice is reproduced on each copy made. This
  routine is provided as is without any express or implied warranties
  whatsoever. Other limitations apply as described in the file disclaimer.txt.