- `clear`
- `clear name1 ... nameN`

Clear variables.

When used without parameters, it also restarts the system with the settings
previously selected with the `configure` function. Some configuration changes
require running the `clear` command in sequence.

See also: `configure`.

### References

- https://www.mathworks.com/help/matlab/ref/clear.html
- https://octave.sourceforge.io/octave/function/clear.html