The parameter delta is necessary because it is a family of double apple manikins.
For positive values of delta is one pair and for negative values another one.
The start value is always s = 1.0.
| Delta | Positive Double | Delta | Negative Double | Remark |
| 0.1 |
|
-0.1 |
|
near 0.0 very small |
| 0.5 |
|
-0.5 |
|
getting bigger |
| 1.0 |
|
-1.0 |
|
and bigger |
| 2.0 |
|
-2.0 |
|
getting reasonable |
| 2.5 |
|
-2.5 |
|
the best positive |
| 3.0 |
|
-3.0 |
|
the best negative |
| 4.0 |
|
-4.0 |
|
starting to connect |
| 5.0 |
|
-5.0 |
|
connecting |
| 8.0 |
|
-8.0 |
|
getting compact |
| 10.0 |
|
-10.0 |
|
getting compact will go on |
An animation from delta=6.0 to delta=-7.0 shows the fractal set dependent on delta: