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GORDON asked in 科學數學 · 1 decade ago

請問什麼是”self-intersections”?

請問一下,

"self-intersections"在數學上代表什麼!?

是條曲線嗎!?

還是什麼樣的曲線!?

照字面上翻譯好像是自身交錯,看不太懂,

謝謝各位了,贈與20點。

2 Answers

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  • 1 decade ago
    Favorite Answer

    應該是曲線本身有交點吧!?例如

    "8"字型曲線

    極坐標曲線 r2=cos(2θ) (類似8字型) 或玫瑰線 r=cos(2θ)

    隱函數曲線: x3+y3=3xy ,在(0,0)處亦有自交點

    ...

    單變數函數曲線不會有自交點,但其他類型曲線(極坐標曲線,參數式曲線)有自交點是很平常的

    Source(s): me
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  • 1 decade ago

    "self-intersections"在數學上代表什麼!?

    是自已交叉點的意思

    Source(s): 奇摩網頁翻譯
    • Commenter avatarLogin to reply the answers
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