Infinite Zoom on a Mystery Curve: Parametric Iteration & Limit View

Infinite Zoom on a Mystery Curve: Parametric Iteration & Limit View
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2021-04-07 08:43
This example demonstrates how to perform an infinite-style zoom on a “mystery curve” using an iterative parameter-driven construction, so that the viewer can observe repeated local structure and a limit-like (often self-similar/convergent) behavior through animation. Key mathematical ideas include parametric curve visualization (CurveCartesian), controlling refinement/iteration with a Sequence, building geometry from polygonal vertices (Polygon), and using vectors/coordinated quantities with scaling factors to implement zoom via transformations (Vector/Transformation viewpoint). The construction follows the provided GeoGebra elements: curveMystery is created with CurveCartesian; iterative points are generated via Sequence (points and intermediate variables such as w1, w2, w3); Polygon is used to define the key geometric pieces; Zip groups related objects for coordinated updates; and exponent/power structures (exponents) together with a zoom factor (factorZoom) organize the repeated scaling. The interactive controls (time, angle(s), Speed, a, and buttons) animate the zoom. Suitable for high school to early university students for visualizing limit intuition, iterative processes, and parametric geometry/graphing.

GeoGebra Commands & Parameters

  1. CurveCartesian(fx(t), fy(t), t, 0, (2 * π)) → curveMystery
  2. Sequence(curveMystery(k), k, 0, (2 * π), (2 * π / 350)) → points
  3. Sequence(t, t, 0, totalFigures - 1) → exponents
  4. Polygon(points) → FigInitial
  5. Sequence((angle / totalFigures * (t - time)), t, 1, totalFigures) → angles
  6. Zip(Rotate[Dilate[FigInitial, factorZoom^(t - time)], ang], t, exponents, ang, angles) → Figures
  7. Element(Figures, 1) → Fig1
  8. Element(Figures, 2) → Fig2
  9. Element(Figures, 3) → Fig3
  10. Element(Figures, 4) → Fig4
  11. Element(Figures, 5) → Fig5
  12. Element(Figures, 6) → Fig6
  13. Element(Figures, 7) → Fig7
  14. Element(Figures, 8) → Fig8
  15. Element(Figures, 9) → Fig9
  16. Element(Figures, 10) → Fig10
  17. Element(Figures, 11) → Fig11
  18. Element(Figures, 12) → Fig12
  19. Element(Figures, 13) → Fig13
  20. Element(Figures, 14) → Fig14
  21. Element(Figures, 15) → Fig15
  22. Element(Figures, 16) → Fig16
  23. Element(Figures, 17) → Fig17
  24. Element(Figures, 18) → Fig18
  25. Element(Figures, 19) → Fig19
  26. Element(Figures, 20) → Fig20
  27. Element(Figures, 21) → Fig21
  28. Element(Figures, 22) → Fig22
  29. Element(Figures, 23) → Fig23
  30. Element(Figures, 24) → Fig24
  31. Element(Figures, 25) → Fig25
  32. Element(Figures, 26) → Fig26

AI Drawing Prompt Reference

This is an infinite zoom on a mystery curve. The graph consists of iteratively generated points driven by parameters. Key objects include a mystery curve, an initial figure, and multiple scaled figures. The construction order is to first create the mystery curve, then generate iterative points, then build the initial figure from these points, and finally display scaled and rotated figures sequentially. The animation allows observation of local structure and limit behavior.
The prompt above was compiled from the original drawing commands and is for reference only.