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作者 ericabab 在 PTT [ MATLAB ] 看板的留言(推文), 共514則
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1F推:你可以用system('音樂檔完整路路徑') 就會播放了XD05/30 15:23
2F→:用eval和num2str05/25 11:59
1F→:因為你每一次都只畫一個點,程式不可能知道線要連去哪05/24 17:22
2F→:你把fx改成fx=@(x)x.^1-1,然後for和hold on都去掉05/24 17:24
3F→:直接 u=x1:x2; plot(u,fx(u),'r-','LineWidth',6)05/24 17:24
1F推:你最後加了abs,怎麼可能畫出負的部份05/24 17:20
2F→:你畫出來的並不是0.5Hz的sin波,而是1Hz的sin被取abs05/24 17:21
1F→:就out of memory要怎麼刪05/24 10:47
1F推:直接用conv2就好了?05/17 19:55
1F→:你是要找在無限時的右極限?怎麼感覺...怪怪的?05/01 20:21
3F→:無限大的右極限,跟負無限正無限大有關係嗎@@05/01 23:24
5F→:單邊極限應該是用在定值吧,像是x在3的右邊極限05/02 01:06
6F→:我是沒學過無限大還有分左邊右邊的@@05/02 01:06
7F→:從右邊逼近無限大是什麼意思啊~"~ 或許你要去數學版問05/02 01:07
4F推:XD04/27 16:45
1F→:sort?04/20 00:20
4F→:那這跟matlab版應該就沒啥關係@@04/20 02:15
1F推:頻譜硬要畫負的沒什麼意義,那也要剛好相位180度一度不差04/19 21:24
2F→:你想畫有負的sinc,就直接畫sinc不就好了04/19 21:24