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ATC Cobweb Diagram Example

ATC Cobweb Diagram Example
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2017-07-08 05:15
Function
In collections ATC Cobwebs and Linear Difference Equations
This example demonstrates the ATC cobweb diagram, a graphical method for analyzing the stability of nonlinear mappings. Key mathematical concepts include functions, iteration, and convergence. Using GeoGebra commands such as Point and Segment, the iterative process of the mapping is dynamically illustrated. Suitable for high school mathematics education and research.

GeoGebra Commands & Parameters

  1. Point(yAxis) → B
  2. Point(xAxis) → A
  3. Segment(A, (x(A), f(x(A)))) → c
  4. Segment((A1, A2), (A2, A2)) → B1
  5. Segment((A2, A2), (A2, A3)) → C1
  6. Segment((A2, A3), (A3, A3)) → B2
  7. Segment((A3, A3), (A3, A4)) → C2
  8. Segment((A3, A4), (A4, A4)) → B3
  9. Segment((A4, A4), (A4, A5)) → C3
  10. Segment((A4, A5), (A5, A5)) → B4
  11. Segment((A5, A5), (A5, A6)) → C4
  12. Segment((A5, A6), (A6, A6)) → B5
  13. Segment((A6, A6), (A6, A7)) → C5
  14. Segment((A6, A7), (A7, A7)) → B6
  15. Segment((A7, A7), (A7, A8)) → C6
  16. Segment((A7, A8), (A8, A8)) → B7
  17. Segment((A8, A8), (A8, A9)) → C7
  18. Segment((A8, A9), (A9, A9)) → B8
  19. Segment((A9, A9), (A9, A10)) → C8
  20. Segment((A9, A10), (A10, A10)) → B9
  21. Segment((A10, A10), (A10, A11)) → C9
  22. Segment((A10, A11), (A11, A11)) → B10
  23. Segment((A11, A11), (A11, A12)) → C10
  24. Segment((A11, A12), (A12, A12)) → B11
  25. Segment((A12, A12), (A12, A13)) → C11
  26. Segment((A12, A13), (A13, A13)) → B12
  27. Segment((A13, A13), (A13, A14)) → C12
  28. Segment((A13, A14), (A14, A14)) → B13
  29. Segment((A14, A14), (A14, A15)) → C13
  30. Segment((A14, A15), (A15, A15)) → B14
  31. Segment((A15, A15), (A15, A16)) → C14
  32. Segment((A15, A16), (A16, A16)) → B15
  33. Segment((A16, A16), (A16, A17)) → C15
  34. Segment((A16, A17), (A17, A17)) → B16
  35. Segment((A17, A17), (A17, A18)) → C16
  36. Segment((A17, A18), (A18, A18)) → B17
  37. Segment((A18, A18), (A18, A19)) → C17
  38. Segment((A18, A19), (A19, A19)) → B18
  39. Segment((A19, A19), (A19, A20)) → C18
  40. Segment((A19, A20), (A20, A20)) → B19
  41. Segment((A20, A20), (A20, A21)) → C19
  42. Segment((A20, A21), (A21, A21)) → B20
  43. Segment((A21, A21), (A21, A22)) → C20
  44. Segment((A21, A22), (A22, A22)) → B21
  45. Segment((A22, A22), (A22, A23)) → C21
  46. Segment((A22, A23), (A23, A23)) → B22
  47. Segment((A23, A23), (A23, A24)) → C22
  48. Segment((A23, A24), (A24, A24)) → B23
  49. Segment((A24, A24), (A24, A25)) → C23
  50. Segment((A24, A25), (A25, A25)) → B24
  51. Segment((A25, A25), (A25, A26)) → C24
  52. Segment((A25, A26), (A26, A26)) → B25
  53. Segment((A26, A26), (A26, A27)) → C25
  54. Segment((A26, A27), (A27, A27)) → B26
  55. Segment((A27, A27), (A27, A28)) → C26
  56. Segment((A27, A28), (A28, A28)) → B27
  57. Segment((A28, A28), (A28, A29)) → C27
  58. Segment((A28, A29), (A29, A29)) → B28
  59. Segment((A29, A29), (A29, A30)) → C28
  60. Segment((A29, A30), (A30, A30)) → B29
  61. Segment((A30, A30), (A30, A31)) → C29
  62. Segment((A30, A31), (A31, A31)) → B30
  63. Segment((A31, A31), (A31, A32)) → C30
  64. Segment((A31, A32), (A32, A32)) → B31
  65. Segment((A32, A32), (A32, A33)) → C31
  66. Segment((A32, A33), (A33, A33)) → B32
  67. Segment((A33, A33), (A33, A34)) → C32
  68. Segment((A33, A34), (A34, A34)) → B33
  69. Segment((A34, A34), (A34, A35)) → C33
  70. Segment((A34, A35), (A35, A35)) → B34
  71. Segment((A35, A35), (A35, A36)) → C34
  72. Segment((A35, A36), (A36, A36)) → B35
  73. Segment((A36, A36), (A36, A37)) → C35
  74. Segment((A36, A37), (A37, A37)) → B36
  75. Segment((A37, A37), (A37, A38)) → C36
  76. Segment((A37, A38), (A38, A38)) → B37
  77. Segment((A38, A38), (A38, A39)) → C37
  78. Segment((A38, A39), (A39, A39)) → B38
  79. Segment((A39, A39), (A39, A40)) → C38

AI Drawing Prompt Reference

Draw a cobweb diagram on a coordinate plane to illustrate the iteration of a nonlinear mapping. Start with two initial points on the axes, one on the y-axis and one on the x-axis. From the x-axis point, draw a vertical segment to the function curve, then a horizontal segment to the line y=x, and repeat this alternating pattern to create a staircase of segments. These segments gradually approach the intersection of the curve and the diagonal, showing convergence. Include the function curve, the diagonal line, coordinate axes, and multiple vertical and horizontal segments forming a clear web-like structure.
The prompt above was compiled from the original drawing commands and is for reference only.