- `Z = not (X)`

Return the logical **NOT** of `X`.

This function is equivalent to the operator syntax `! X`.

See also: `and`, `or`, `xor`.

### References

- https://www.mathworks.com/help/matlab/ref/not.html
- https://octave.sourceforge.io/octave/function/not.html
- https://mathworld.wolfram.com/NOT.html
- https://en.wikipedia.org/wiki/Negation