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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2F推:你該不會是灌64位元版的吧03/07 16:38
5F推:symbolic toolbox沒有64位元版,所以灌64位元版matlab是03/08 14:32
6F→:不會有symbolic toolbox讓你用的03/08 14:32
5F推:reshape(permute(A,[1 3 2]),4,[])03/03 15:16
3F推:請使用內積算角度03/02 08:19
1F推:triu(z,1)就直接是沒對角線的上三角矩陣了02/16 14:02
2F→:tril同理,測試時建議不要用整數,浮點數誤差很討厭的02/16 14:04
1F推:用triu和tril把對角線以外的地方抓出來02/15 22:18
2F→:判斷是否抓出來的新矩陣整個為0即可02/15 22:19
1F推:warning是建議你改個參數,terminated是指運算結束01/25 13:05
2F推:就照上面寫的把Large-scale改成medium-scale01/25 14:55
3F→:最佳化法多半都是尋找local極小值,與出發點有相關性01/25 14:56
4F→:你先打個option = optimset('largescale','off');01/25 15:04
5F→:然後把option塞到fmincon輸入的最後一個,印象是這樣弄01/25 15:05
6F→:不過簡單的問題應該是不會有差才是01/25 15:05
1F推:10GB!?這有辦法讀進去嗎?01/07 15:03
1F推:你可以先排序12/13 15:55
1F推:B=[A(1:3,:),A(4:6,:)]12/09 11:22
2F推:我比較建議存png檔再轉,matlab壓的jpg很難看12/05 09:53