## ~ Not

One-argument form See also Without

The right argument must consist only of the numbers 1 or 0. The effect of ~ is to change each 1 to 0 and each 0 to 1.

                 ~1
           0

                 ~1 1 1 0                (Each 1 in a vector is changed to 0
           0 0 0 1                        and each 0 to 1)

                 TABLE
           1 1 1
           0 0 0
           1 0 1
                 ~TABLE                  (Each 1 in a matrix is changed to 0
           0 0 0                          and each 0 to 1)
           1 1 1
           0 1 0

Topic: APLX Help : Help on APL language : APL Primitives : ~ Not

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