File:Parametric.png

Transferred from en.wikipedia to Commons by Maksim.

Graph of butterfly curve, a parametric equation discovered by Temple H. Fay:

${\displaystyle x=\sin t\left[e^{\cos t}-2\cos 4t-\sin ^{5}{t \over 12}\right]}$
${\displaystyle y=\cos t\left[e^{\cos t}-2\cos 4t-\sin ^{5}{t \over 12}\right]}$

此檔案不具有著作權，屬於公有領域，因為其所包含之内容均為公共財產且沒有明確的原始作者資訊。

原始上傳日誌

Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version.

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• (del) (cur) 18:28, 26 May 2005 . . en:User:Nick2588 Nick2588 ( en:User_talk:Nick2588 Talk) . . 400x400 (20365 bytes)
• (del) (rev) 03:05, 25 May 2005 . . en:User:Nick2588 Nick2588 ( en:User_talk:Nick2588 Talk) . . 400x400 (22683 bytes) (Graph of a parametric equation: x = cos(t) * e^cos(t) - 2cos(4t) - sin(t/12)^5 y = sin(t) * e^cos(t) - 2cos(4t) - sin(t/12)^5)