[幾何] 傾斜型橢圓之參數式 ?
請問各位高手,一般標準的左右型、上下型橢圓有參數式可表達,
那傾斜型橢圓有參數式可表達嗎? 他會有什麼不一樣的變化或表達模式嗎?
還是根本無通式可表達 ?
(感謝不吝指教)
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