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作者 Vulpix 在 PTT [ Math ] 看板的留言(推文), 共7235則
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3F推: x^2*z+y^2*z-2y*z^2=0 好啦,我來亂的。11/29 18:12
3F推: 最後斜率那邊可以用二倍角公式算,就可以不解方程11/25 13:14
4F→: 了。11/25 13:14
9F推: 你是缺even n?odd用你貼的表已經足夠。11/23 23:48
2F推: 都要學TRML的題目了,學一點高中方法沒關係吧?11/22 04:49
8F推: 後面那一步就是整理出y'=...然後直接積分啊。11/21 00:31
4F推: 答案是兩個圓。一個半徑4,一個半徑4/√3。11/20 02:08
3F→: 又不是第一天認識他了……11/19 13:18
6F推: 是這樣沒錯,運算加速。11/16 17:12
11F推: 也對啦,看到那一堆子矩陣的時候差點嚇一跳XD11/17 08:29
12F→: 大概算是「算特徵值」這件事能夠降階的條件吧。11/17 08:30