作者查詢 / alamabarry
作者 alamabarry 在 PTT [ MATLAB ] 看板的留言(推文), 共485則
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1F推:這個不是MATLAB問題吧02/03 15:37
2F→:做一下收斂性吧02/03 15:38
9F推:不一定要奇數吧 要項次夠多 一班好像都是2N+102/04 23:21
10F→:可以用寬度來做項數之間的關西~~來當收斂性分析02/04 23:22
11F→:可看出何時會收斂~02/04 23:22
12F→:一維的無限域計算應該不會太複雜~~展高次問題不大02/04 23:22
13F推:機械系 陳聯文也有做類似的東西 聲子光子~可以去問問02/04 23:24
14F→:台大應力 吳政忠也做蠻多類似的東西02/04 23:25
15F→:中央光電也有一位教授~~有出書~光子晶體02/04 23:25
16F→:參考一下吧~~我不是很熟就是了02/04 23:26
17F推:我看到很嚴重的程式錯誤02/04 23:29
18F→:你定義i為虛數 這個系統已經默認了 不需要特別寫02/04 23:30
19F→:for 迴圈又有用到i=1:n 這樣i就變成數字了 非虛數02/04 23:31
20F推:不過程式好像也沒用到02/04 23:35
1F推:N(>3)維向量的夾角是內積的定義算出來的嗎01/10 01:52
1F推:找一下把EXCEL匯入的指令 xlsread?12/27 22:55
2F→:movie 看書或help多試試看吧12/27 22:56
1F推:查一下訊號的書~~好像有離散傅立葉轉換 去掉高頻12/13 02:11
2F→:我不是很懂~ 請知道的人補充了12/13 02:12
3F→:你要的應該是去掉雜訊 而不是曲線fitting12/13 02:13
7F→:是不是要定義a為實數? 或是用sqrt12/13 02:14
8F→:(a^2)^(1/2)不一定等於a 是等於絕對值a12/13 02:16
7F推:業界沒有這麼有錢吧~~軟體太貴12/11 03:59
8F→:VB可能是最多的12/11 03:59
4F推:建議你把問題簡化~~再來問12/08 12:35
5F→:而不是整個貼上來12/08 12:35
1F推:這題比較像是數學題@@11/13 18:30
2F→:k(5)=k(4)=(0.2*k(4)+s*k(4)^0.3)/1.0111/13 18:32
3F推:慢慢推出來就可以了吧~11/14 00:50
1F推:好像WORD 有內建這種功能阿 OFFICE VBA的書找找10/02 18:16
2F→:ACCESS好像也有結合類似功能10/02 18:17
5F推:把它變成二維矩陣阿09/29 12:45
6F→:類似對角矩陣~~但是可能稀疏矩陣會比較快09/29 12:46
7F推:BLKDIAG09/29 13:02