[其他] 兩個週期函數疊加一定是週期函數嗎
如題
兩個週期函數相加一定是週期函數嗎 直覺上好像是這樣
但是像 cos(x)+cos(x根號2)
這個一直找不到他的週期
如果他是週期函數又要怎麼求週期
謝謝
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03/08 23:38, , 1F
03/08 23:38, 1F
※ 編輯: Mingming1258 (140.112.244.233), 03/08/2017 23:52:48
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