Saturday, February 4, 2012

Making Love ♥


Linear Combination of Spirographs
(Hypotrochoid and Epitrochoid)










( Mathematical software used: GeoGebra )

10 comments:

  1. Wait... How does this one work? How do you get the red line from the other two? I don't get it.

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    Replies
    1. (x,y) = m1*(x1,y1) + m2*(x2,y2) (m1 and m2 are constant.)

      Delete
  2. EStá genial!! si alguien me mandara algo así entonces sí podría decir eso de _ querido ahora sí que me has conquistado. Pero lo que sí se echa en falta es la diversidad y que algún ejemplo se hiciera con símbolos iguales por que el amor no entiende de sexos.

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  3. Love love love!!! Will share this with my geometry students who use Geometer's Sketchpad weekly. Thank you!!

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  4. 你好,请问GGB中如何才能产生画心形红线的效果,我说的不是一次产生轨迹,而是跟随一个点慢慢画出轨迹的效果,在GGB中怎么实现!南京 小虫 。谢谢

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    Replies
    1. 你好,我所知道的方法有兩種:
      1.設定(勾選)動點的 Basic --> Show Trace。
      2.將參數曲線(指令 Curve)的 End Value 設成 Slider 變數。
      兩相比較,後者繪出的曲線較美觀,但耗費較多系統資源。
      參考檔案:
      http://www.geogebra.org/forum/download/file.php?id=13233

      Delete
  5. Hello,
    Can I use one of these figures in my article with the reference to this site?
    Thank you for your consideration.

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  6. Could you please send me a link to the file .ggb?

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  7. Nice post thank you Darnell

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