作者查詢 / Gwaewluin
作者 Gwaewluin 在 PTT [ MATLAB ] 看板的留言(推文), 共608則
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1F→:雖然這不是我的專長,不過我可以提醒一下你忘記開價錢了08/11 22:29
3F推:如果你確定紀錄的資料只有第一個column而已的話08/09 16:04
4F→:index = find( a( : , 5 ) ) ;08/09 16:04
5F→:b = a( [ index , index+1 ] ' )08/09 16:05
6F→:這樣寫就可以了08/09 16:05
1F推:A([32 64 略 369 370]) = 1即可,不用迴圈07/31 22:05
1F推:你exp()很容易大於1,sin最大是1,乘起來當然y就比1大了07/18 17:03
1F推:這個貝索函數只能算數值,不能讓你用symblic求積分07/15 07:30
5F→:fig是matlab圖片儲存格式,不是圖片檔案07/08 14:24
6F→:你還可以從fig裡面把原始繪圖data挖出來07/08 14:25
4F推:那是浮點數誤差問題,非整數請不要使用==來判斷06/23 13:16
1F推:這有可能是矩陣維度index換算拖到了時間,建議先抓出來04/25 11:11
2F→:成獨立變數,像是先xx=x(:,:,n); yy=y(:,:,n);04/25 11:12
3F→:然後再zz=xx\yy;,最後z(:,:,n)=zz;04/25 11:12
4F→:維度可能還要用permute處理一下就是04/25 11:15
1F推:[sy index]=sort(y)04/12 11:02
4F推:要必過點的curve fitting請使用spline04/11 23:55
6F推:spline就是必過點的三次多項式曲線fitting04/14 18:56