作者查詢 / LPH66
作者 LPH66 在 PTT [ Mathematica ] 看板的留言(推文), 共451則
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1F推:你要用在哪裡?04/11 19:29
1F推:太多東西省略 19 項 可參閱 Short 和 Shallow 的說明03/30 19:16
1F推:你能弄出數值陣列的話 Export 成 csv 即可03/26 22:16
1F推:就用個不是 x 也不是 y 的變數名就行了03/17 14:41
2F→:例如 f[w_] := w /. x->y03/17 14:42
1F推:抱歉, 我 213 也沒過 (爆03/16 19:16
2F→:你把 N 的小數位數加多一點再手動取十位試試03/16 19:17
3F→:因為浮點數誤差實在是個很要命的東西...03/16 19:18
1F推:2.有點看不太懂...對虛數你想做什麼?02/28 16:19
2F→:1.感覺有點像是 Apply (/@) 運用的地方02/28 16:19
3F→: Map (記錯了, 那個運算子是 Map 才對)02/28 16:20
2F推:用不了 Solve 的話可以用 ImplicitPlot 畫圖02/28 01:13
3F→:它在 <<Graphics`ImplicitPlot` 裡02/28 01:15
4F→:順帶一提, 6.0 以後的這個指令被 ContourPlot 取代了02/28 01:15
1F推:Together 有試過了嗎?02/17 14:02
1F推:Select[(*你的那堆值*), #[[1]]>#[[2]]& ]02/07 19:10
3F推:Mathematica 把所畫的圖也看成是一個計算結果01/21 01:40
4F→:所以合併圖形就只是簡單的把兩個算出來的圖給一起 Show 出來01/21 01:41
5F→:由於也不是統一的繪圖介面所以自然沒有類似 hold on 的指令01/21 01:42
6F→:你所需要的只要像一樓說的這樣擺就行了01/21 01:43