[問題] 如何判斷弦波前進方向
一個弦波表示
y(x,t)
要怎樣判斷??
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09/28 19:00, , 1F
09/28 19:00, 1F
→
09/28 19:01, , 2F
09/28 19:01, 2F
→
09/28 22:03, , 3F
09/28 22:03, 3F
→
09/29 05:33, , 4F
09/29 05:33, 4F
→
09/29 05:33, , 5F
09/29 05:33, 5F