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极坐标绘图器 by Doug Kuhlmann

极坐标绘图器 by Doug Kuhlmann
几何画板及绘图内容加载中，请稍等……
2015-06-20 18:09
函数三角函数函数图像
这个范例演示了如何使用GeoGebra绘制极坐标图。它涉及极坐标系中的基本概念，如极径和极角。通过输入不同的极坐标方程，可以观察到各种图形的变化。主要使用了CurveCartesian、Textfield等命令，适合高中数学教学和学习。

GeoGebra 命令及参数

  1. CurveCartesian((r1(t) * cos(t)), (r1(t) * sin(t)), t, θmin, θmax) → a
  2. CurveCartesian((r2(t) * cos(t)), (r2(t) * sin(t)), t, θmin, θmax) → b
  3. Textfield(r1) → r1Input
  4. Textfield(r2) → r2Input
  5. Textfield(θmin) → Θmin
  6. Textfield(θmax) → Θmax
  7. CurveCartesian((r3(t) * cos(t)), (r3(t) * sin(t)), t, θmin, θmax) → c
  8. Textfield(r3) → r3Input
  9. CurveCartesian((r1(t) * cos(t)), (r1(t) * sin(t)), t, θmin, θ) → a1
  10. CurveCartesian((r3(t) * cos(t)), (r3(t) * sin(t)), t, θmin, θ) → c1
  11. CurveCartesian((r1(t) * cos(t)), (r1(t) * sin(t)), t, θmin, θmax) → a2
  12. CurveCartesian((r2(t) * cos(t)), (r2(t) * sin(t)), t, θmin, θmax) → b2
  13. CurveCartesian((r3(t) * cos(t)), (r3(t) * sin(t)), t, θmin, θmax) → c2
  14. CurveCartesian((r2(t) * cos(t)), (r2(t) * sin(t)), t, θmin, θ) → b1
  15. Textfield(θ) → ThetaEquals