The syntax is `numpoints=8000`, not `numpoint=8000`. :)
Another option (instead of `numpoints`) is to use `grid`.
You may also want to look at plotting Cardioids.
The syntax is `numpoints=8000`, not `numpoint=8000`. :)
Another option (instead of `numpoints`) is to use `grid`.
You may also want to look at plotting Cardioids.