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根据表格写方程 by Matthew Zeigler

根据表格写方程 by Matthew Zeigler
几何画板及绘图内容加载中，请稍等……
2015-02-02 09:36
函数解析几何不等式
这个范例演示如何根据给定的表格数据写出相应的方程。涉及的核心数学概念包括线性方程、指数函数和分段函数。通过使用GeoGebra命令如Random、If、FractionText等，可以动态地展示方程的构造过程。适合高中数学教学和学习。

GeoGebra 命令及参数

  1. Random(2, 10) → denominator6
  2. Random(1, (2 * denominator6)) → numerator6
  3. Random(2, 10) → denominator5
  4. Random(1, (2 * denominator5)) → numerator5
  5. Random(2, 10) → denominator4
  6. Random(1, (2 * denominator4)) → numerator4
  7. Random(2, 10) → denominator1
  8. Random(2, 10) → denominator3
  9. Random(1, (2 * denominator3)) → numerator3
  10. Random(2, 10) → denominator2
  11. Random(1, (2 * denominator2)) → numerator2
  12. Random(1, (2 * denominator1)) → numerator1
  13. If(ShowAnswers ≟ true, (("y = " * FractionText[coefficientX1]) * "x"), "y") → yLabel1
  14. If(ShowAnswers ≟ true, (("y = " * FractionText[coefficientX2]) * "x"), "y") → yLabel2
  15. If(ShowAnswers ≟ true, (("y = " * FractionText[coefficientX3]) * "x"), "y") → yLabel3
  16. If(ShowAnswers ≟ true, (("y = " * FractionText[coefficientX4]) * "x"), "y") → yLabel4
  17. If(ShowAnswers ≟ true, (("y = " * FractionText[coefficientX5]) * "x"), "y") → yLabel5
  18. If(ShowAnswers ≟ true, (("y = " * FractionText[coefficientX6]) * "x"), "y") → yLabel6
  19. FractionText((A2 * coefficientX1)) → B2
  20. FractionText((A3 * coefficientX1)) → B3
  21. FractionText((A4 * coefficientX1)) → B4
  22. FractionText((A5 * coefficientX1)) → B5
  23. FractionText((A6 * coefficientX1)) → B6
  24. FractionText((A7 * coefficientX1)) → B7
  25. FractionText((D2 * coefficientX2)) → E2
  26. FractionText((D3 * coefficientX2)) → E3
  27. FractionText((D4 * coefficientX2)) → E4
  28. FractionText((D5 * coefficientX2)) → E5
  29. FractionText((D6 * coefficientX2)) → E6
  30. FractionText((D7 * coefficientX2)) → E7
  31. FractionText((G2 * coefficientX3)) → H2
  32. FractionText((G3 * coefficientX3)) → H3
  33. FractionText((G4 * coefficientX3)) → H4
  34. FractionText((G5 * coefficientX3)) → H5
  35. FractionText((G6 * coefficientX3)) → H6
  36. FractionText((G7 * coefficientX3)) → H7
  37. FractionText((J2 * coefficientX4)) → K2
  38. FractionText((J3 * coefficientX4)) → K3
  39. FractionText((J4 * coefficientX4)) → K4
  40. FractionText((J5 * coefficientX4)) → K5
  41. FractionText((J6 * coefficientX4)) → K6
  42. FractionText((J7 * coefficientX4)) → K7
  43. FractionText((M2 * coefficientX5)) → N2
  44. FractionText((M3 * coefficientX5)) → N3
  45. FractionText((M4 * coefficientX5)) → N4
  46. FractionText((M5 * coefficientX5)) → N5
  47. FractionText((M6 * coefficientX5)) → N6
  48. FractionText((M7 * coefficientX5)) → N7
  49. FractionText((P2 * coefficientX6)) → Q2
  50. FractionText((P3 * coefficientX6)) → Q3
  51. FractionText((P4 * coefficientX6)) → Q4
  52. FractionText((P5 * coefficientX6)) → Q5
  53. FractionText((P6 * coefficientX6)) → Q6
  54. FractionText((P7 * coefficientX6)) → Q7
  55. TableText({{A1, B1}, {A2, B2}, {A3, B3}, {A4, B4}, {A5, B5}, {A6, B6}, {A7, B7}}, "|_") → Table1
  56. TableText({{D1, E1}, {D2, E2}, {D3, E3}, {D4, E4}, {D5, E5}, {D6, E6}, {D7, E7}}, "|_") → Table2
  57. TableText({{G1, H1}, {G2, H2}, {G3, H3}, {G4, H4}, {G5, H5}, {G6, H6}, {G7, H7}}, "|_") → Table3
  58. TableText({{J1, K1}, {J2, K2}, {J3, K3}, {J4, K4}, {J5, K5}, {J6, K6}, {J7, K7}}, "|_") → Table4
  59. TableText({{M1, N1}, {M2, N2}, {M3, N3}, {M4, N4}, {M5, N5}, {M6, N6}, {M7, N7}}, "|_") → Table5
  60. TableText({{P1, Q1}, {P2, Q2}, {P3, Q3}, {P4, Q4}, {P5, Q5}, {P6, Q6}, {P7, Q7}}, "|_") → Table6