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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3F推:應該可以設定誤差吧~~你要多準03/10 15:10
9F推:平移12/10 13:04
11F推:那是你算的問題~~先拿支筆算算看 弄清楚演算法吧12/11 00:14
1F推:你不是解出來了嗎..忘了是U 還是V的最後一行11/22 22:54
3F推:好像用null也可以~~應該也是用SVD算的11/22 22:56
1F推:我覺得 你要不要先無因次畫一下11/07 17:46
2F→:還有正負號可能要看你是不是浮點運算的誤差所致11/07 17:47
4F推:看你要學哪方面 如果是理工科要算小東西11/02 23:19
5F→:數值計算 繪圖 程式流程 搞清楚就好11/02 23:20
6F→:符號運算..有需要再摸..字串使用 有需求找高手學11/02 23:20
7F→:數學能力有配合上...處理數值就更容易了11/02 23:21
5F推:先畫畫看你要的範圍內的函數圖形10/26 00:04
6F→:再把區間細切成好幾個點去當初始值收斂10/26 00:05
7F→:畫出來你就知道要分隔多大多小比較適當10/26 00:06
8F→:解可能很多個~~當然會收斂到不同解10/26 00:06
3F推:FZERO來解就好了 若要用牛頓法~請先了解流程再來說10/25 17:39
1F推:Fzero應該可以輸入範圍求解吧...就把範圍設定一下看看09/06 17:03
1F→:補充...變數都變成三角函數了~~就已經不是多項式了09/05 22:23
2F→:你又怎麼能說明他還有三個根呢09/05 22:23
3F→:若他還是多項式 你又如何確認他一定有三個實跟呢09/05 22:23
1F推:6.21762e+292 overflow了嗎..08/30 17:34