作者查詢 / wxtab019
作者 wxtab019 在 PTT [ joke ] 看板的留言(推文), 共495則
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1F→: 還以為是要說 如果會切割就不只93KG了11/27 19:54
20F→: 偉忠哥表示11/27 14:05
51F→: 其實也可以用尤拉公式e^iθ=cosθ+isinθ=(5+i)/√2611/27 13:52
52F→: e^i8θ=cos8θ+isin8θ=((5+i)/√26)^8=(5+i)^8/26^411/27 13:54
53F→: 再算出cos8θ sin8θ就好了11/27 13:55
58F→: 小角度不是這樣用的吧...11/27 14:18
64F→: 用你說的30度好了 sin30度=1/2 ≠30/180*π吧...11/27 14:31
67F→: 就算用10度 都是0.17364817766 0.1745329251911/27 14:32
71F→: 這只是剛好差比較大 所以算出來還會剛好符合答案11/27 15:00
73F→: 角度越大的時候誤差就越大了11/27 15:01
78F→: 複數平面算法就和我說的尤拉公式差不多吧11/27 15:22
79F→: 不過說到旋轉 讓我想到也可以用旋轉矩陣來做11/27 15:22
92F→: 矩陣應該高中就會了吧 尤拉就...可以用複數平面來講吧11/27 16:09
93F→: (cosθ+isinθ)^n=cos(nθ)+isin(nθ) 就ok了不用e^iθ11/27 16:11
98F→: 應該是實部11/27 16:23
119F→: 疊5個和用畫的不是差不多意思嗎xd11/27 19:19
122F→: 說真的 用畫的看應該是看不出來...11/27 20:33
3F→: 你還沒看第4點喔11/26 21:50
2F→: 喵Pass~11/25 21:12
5F→: 乾脆外包好了11/12 08:10
12F→: 不能吧 記得要蒐證還要截圖 不是確定是就好11/12 08:11
15F→: 男的也會看到膩 記得之前也報過有一次要看幾萬片的11/12 08:11
19F→: 通常都規定一個月內要看完 還要截圖存證的樣子11/12 08:12
63F→: 兒童相見不相識，別讓勝文不開心。11/11 16:09