¬ Not equal


Compares each element in the right-hand argument with the corresponding element in the left-hand argument and returns 1 if they are not equal and 0 if they are. (This operation is affected by ŚCT, the comparison tolerance function)

             12 ¬ 12
       0
             2 ¬ 12
       1
             'Q' ¬ 'Q'               (Compares character data)
       0
             11 7 2 9¬11 3 2 6       (Compares each element in a vector with
       0 1 0 1                        the corresponding element in a vector of
                                      equal length)
             'STOAT' ¬ 'TOAST'
       1 1 1 1 0
             8 ¬ 2+2+2+2             (The right argument is evaluated
       0                              before the comparison is made)
             TABLE „ 2 3 ˝ 1 2 3 4 5 6
             MABLE „ 2 3 ˝ 3 3 3 5 5 5
             TABLE ¬ MABLE           (Compares each element in a matrix
       1 1 0                          with the corresponding element in
       1 0 1                          a matrix of equal size and dimensions)
             3¬TABLE
       1 1 0
       1 1 1
             3 ¬ TABLE MABLE         (Compares 3 with the elements of the
        1 1 0  0 0 0                  nested vector)
        1 1 1  1 1 1

Topic: APLX Help : Help on APL language : APL Primitives : ¬ Not equal
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