剛開始考慮平分物件時,我們從二維的多邊形部分著手,後來發現已經有人做過相關研究,並且得到類似的結論。這個部份顯現出面積平分線與其包絡曲線間的密切關係。我們將其中的方法和結果加以歸納、改善,為了更全面地研究,我們推導出一般性的包絡方程。之後當我們推廣到三維領域時,發現四面體體積平分面與之前的結論有些相似之處,平分的情況卻也更複雜,我們將推導的結果用電腦軟體呈現出來,以便更深入地了解它。最後嘗試了相當抽象的高維積平分,結果仍具有工整的對稱性,讓我們充分領略了數學之美!When considering bisecting a subject, at first we focused our attention on 2-D case, polygons. But afterwards, we found there were already some similar studies conducted by other students, which indicated the close relation between the area-bisecting lines of a polygon and their envelope. We rearranged their methods and results, and then made further improvement. Moreover, in order to study the bisecting problem entirely, we derived the general envelope equation. Then when extending the generalization to the 3-D case, we came to the conclusion that tetrahedrons’ volume-bisecting planes is similar to that in 2-D, but the circumstances are more complex. We tried to show our result with the aid of software, hoping to understand it fully. Finally, we tried to do the case in higher dimension, which is very abstract, and the result was clear-cut symmetrical. During the studying process, we had seen “the beauty of mathematics.”
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