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温度随时间变化模拟

温度随时间变化模拟
几何画板及绘图内容加载中，请稍等……
2018-05-21 23:08
函数解析几何几何作图函数图像
①本范例演示温度随时间变化的曲线模拟与绘制；②涉及核心数学概念包括函数图像、坐标系、条件判断与几何图形构造；③构造中运用了Polygon（多边形）、Textfield（文本框）、Segment（线段）、If（条件判断）等GeoGebra命令与对象；④适合初中及以上学生用于理解函数图像绘制、参数化模拟及几何作图。

GeoGebra 命令及参数

  1. Polygon(A, B, 4) → poly1, f, g, h, i, C, D
  2. Textfield(cmin) → InputBox1
  3. Textfield(cmax) → InputBox2
  4. Textfield(a) → InputBox3
  5. Textfield(outputmin) → InputBox4
  6. Textfield(outputmax) → InputBox5
  7. Textfield(p) → InputBox6
  8. Segment(E, F) → j
  9. Textfield(a) → InputBox3_1
  10. Textfield(outputmin) → InputBox4_1
  11. Textfield(outputmax) → InputBox5_1
  12. Segment(E_1, F_1) → j_1
  13. Polygon(A_1, B_1, 4) → poly1_1, f_1, g_1, h_1, i_1, C_1, D_1
  14. Textfield(a) → InputBox3_2
  15. Textfield(outputmin) → InputBox4_2
  16. Textfield(outputmax) → InputBox5_2
  17. Textfield(a) → InputBox3_3
  18. Textfield(outputmin) → InputBox4_3
  19. Textfield(outputmax) → InputBox5_3
  20. Textfield(a) → InputBox3_4
  21. Textfield(outputmin) → InputBox4_4
  22. Textfield(outputmax) → InputBox5_4
  23. Textfield(a) → InputBox3_5
  24. Textfield(outputmin) → InputBox4_5
  25. Textfield(outputmax) → InputBox5_5
  26. Textfield(a) → InputBox3_6
  27. Textfield(outputmin) → InputBox4_6
  28. Textfield(outputmax) → InputBox5_6
  29. Textfield(a) → InputBox3_7
  30. Textfield(outputmin) → InputBox4_7
  31. Textfield(outputmax) → InputBox5_7
  32. If(ZeroToOne < 94 / 256, 255, 94 / 256 ≤ ZeroToOne ≤ 210 / 256, ((-2.198 * (ZeroTo256 - 210))) / 256, ZeroToOne > 210 / 256, 0) → blue
  33. If(ZeroToOne < 37 / 256, 0, 37 / 256 ≤ ZeroToOne ≤ 179 / 256, (48.845 * (ZeroTo256 - 37)^(1 / 3) / 256), ZeroToOne > 179 / 256, 1) → red
  34. If(ZeroToOneTwo < 94 / 256, 255, 94 / 256 ≤ ZeroToOneTwo ≤ 210 / 256, ((-2.198 * (ZeroTo256Two - 210))) / 256, ZeroToOneTwo > 210 / 256, 0) → blue2
  35. If(ZeroToOneTwo < 37 / 256, 0, 37 / 256 ≤ ZeroToOneTwo ≤ 179 / 256, (48.845 * (ZeroTo256Two - 37)^(1 / 3) / 256), ZeroToOneTwo > 179 / 256, 1) → red2
  36. Textfield(rate) → InputBox7
  37. Segment(E_2, F_2) → k
  38. Segment(E_2, H) → l